Answer:
it's bigger
Explanation:
it's bigger than the planet with less mass
Answer:
bigger.
because the bigger the plant is the less mass it has .
hope this helped you
Throughout the investigation the ice begins to melt. This is because the thermal energy of the water ___while the thermal energy of the ice ____, causing it to melt.
First Blank: decreases
Second Blank: Increases
When this candle is burned it seems to disappear over a period of time. In actuality, the candle is being converted to smoke,ash, and carbon dioxide, and the energy is being released as heat and light. This is an example of _____________.
A. Murphy's law
B. the law of conservation of mass
C. the law of chemical reactions
D. the law of nature
all are the following forms of energy EXCEPT:
(A)heat
(B)friction
(C)light
(D)electrical
The atomic number of an element:
Question 2 options:
Tells you the mass of the atom
Tells you the number of energy levels there are around the atom
Tells you the identity of the atom
Tells you how many valence electrons the atom has
What kind of spider has red legs & a black body? I just saw this kind of spider past by my window-
Answer:
red legged purseweb spider
Explanation:
Will not cause death but still stay away if you are sensative to all spiders.
“name each season from the diagram above.” PLEASE HELP I WASNT AT SCHOOL.
Answer:
to be honest I don't know
Explanation:
Answer:
A- Summer E- Winter
B- Spring F- Fall
C- Winter G- Summer
D- Autumn/Fall H- Spring
Explanation:
*WARNING* I don't know for a fact but i think this is the answer
describe the relationship between the mass of the ice and the transfer of thermal energy in the investigation. Use evidence and scientific reasoning to support your answer. (Use the following words: Molecules, Kinetic Energy, and Heat.
PLEASE HELP
Answer:
Explanation: 1234456
Which option correctly describes the pattern of valence electrons on the periodic table?
O The number of valence electrons increases from right to left
O The number of valence electrons increases from bottom to top.
O The number of valence electrons increases from top to bottom
O The number of valence electrons increases from left to right.
Answer:
O The number of valence electrons increases from left to right.
Explanation:
In general, the number of valence electrons is the same within a column/group. When the group number increases, the # of valence electrons also increases.
The option correctly describes the pattern of valence electrons on the periodic table is the number of valence electrons increases from left to right. Thus, option D is correct.
What is atomic mass?In universe every particle have some mass associated with it whether it is small or large. According to Dalton's theory of atomic structure every particle is made up of with atoms. The average mass of atomic particle is called as atomic mass. This is commonly calculated as per international agreement in terms of a unified atomic mass (amu).
It can also be defined as 1/12 of the mass of a carbon atom-12 in its ground state. The mass of atom can also be calculated as the mass of protons and neutrons which almost equal to atomic mass. This small change is due to the binding energy mass loss.
Calculation:-
As per given above question:-
99% H-1
0.8% H-2
0.2% H-3
So,
Atomic mass = (99x1 + 0.8x2 + 0.2x3)÷100%
Atomic mass = 1 amu,
Therefore, The option correctly describes the pattern of valence electrons on the periodic table is the number of valence electrons increases from left to right. Thus, option D is correct.
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Brainliets to ever answers all questions and get all right
1.What are the 2 types of cells (not plant and animal)? Describe each type.
2.Are you made of prokaryotic or eukaryotic cells? Explain why you chose your answer.
3.Are bacteria prokaryotic or eukaryotic? Explain why you chose your answer.
4.What parts do all cells have in common? List at least 2.
Label the numbered parts of the cell:
pic downloaded below
8. __________________
9. _________________
12. Using the onion cell diagram above, which organelle is responsible for the greenish color?
13. Which organelle is the red arrow pointing towards?
14. Both plant and animal cells contain mitochondrion however they are not in equal amounts.
Between the cheek and onion cells, which one do you think would contains the greater amount of mitochondrion and
why?
15. Compare in your own words, at least 2 differences in plant and animal cells.
16. Why does a plant cell need a larger vacuole?
17. Animal cell do not have chloroplasts. Why not?
18. What are the 3 components of the cell theory? Put in your own words.
19. Choose one part of the Cell Theory and describe an experiment you could do that would give evidence to support your claim.
20. How can a microscopic paramecium and a large giraffe both be described by the cell theory?
Answer:
The two types of cell are:
-Eukaryotic cell
-prokaryotic cell
Description:
Eukaryotic cell: These are organisms who have a nucleus enclosed within a nuclear envelop. It does not have a cell wall unlike prokaryotes. It has mitochondria and other cell organelles.
Prokaryotic cell: Organisms with no distinct nucleus and other major cell organelles.
We humans are made up of Eukaryotic cell type as we have membrane bounded nucleus and all the essential major organelles to perform vital body function. Humans have complex organization of cells. Cells have cytoskeleton and organelles surrounded by cytoplasm.
Bacteria are prokaryotic, as they have cell wall made of peptidoglycan, they lack nucleus and membrane bounded organelles. Hence considered to be unicellular life forms.
Similarities between prokaryotes and Eukaryotes:
-Both have cell membrane
-Both have genetic material
- Both have ribosome
-Both have cytoplasm
-Both have vacuole
5. The cell wall is like House because it protects the family members inside as cell wall protects the substance inside the cell.
6. The cell membrane is like airplane because it allows passenger to come in and go out the way cell membrane allows substances to enter and leave.
7.The vacuoles is like a basketball because both acts as storage, basket ball stores air and vacuole store other substance.
8.nucleus
9.Vacuole
10.Cytoplasm
11. Cell wall
12.Chloroplast
13. Nucleus
14.Cheek will have greater number of Mitochondria as great function and more energy required which will be released in form of ATP.
15. Differences:
1.Animal cell do not have cell wall whereas plant cells have cell wall.
2. Animal cells have several small vacuoles whereas plant cells have one large nucleus.
3.Plant cells have chloroplast but Animal cells don not.
16.Plants have single large vacuole as it performs two main function
i)To keep the plant upright
ii)To store water
Large vacuole protect cell from potential harm.
17.In plants chloroplast main function is to synthesis food whereas in humans there is no such need as they get sugar from the food they eat.
18. components of cell theory:
1. All living things are composed of cell.
2.Cells are basic units of structure and function for two living beings.
3.All cells come from pre existing cells.
19. All living things are composed of cell:
Experiment:
Cut sections can be taken of Human hair, onion and bacterial colony. Slides can be prepared and viewed under microscope to confirm the presence of cell.
20. They can be distinguished on basis of microscopic result A Giraffe is a multicellular organism hence multiple cells will me visible under microscope where as a Paramecium is single cell organism.
Explanation:
What is the name of this unstable isotope from number 9?
Answer:
Xenon
Explanation:
Xenon is the unstable isotope element from number 9
What is the best description of how heat is transferred from deep in the earth to the surface?
a. Conduction brings hot magma up through the mantle toward the crust, where it cools and sinks.
b. Convection brings hot magma up through the mantle toward the crust, where it cools and sinks.
c. Convection brings hot magma up from the core to the crust, where it cools and sinks.
d. Conduction brings hot magma up from the core to the crust, where it cools and sinks.
Answer:
pretty sure it's C,
Explanation:
Mantle convection is the very slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior to the planet's surface. ... This hot added material cools down by conduction and convection of heat.
what is the acceleration of 1 m/s?
Answer:
Newton es la fuerza que provoca una aceleración de 1 m/s2 en un cuerpo de 1 kg. La segunda ley de Newton establece que la fuerza y la aceleración son directamente proporcionales, pero no hay que olvidar el efecto de la masa.
Explanation:
John writes a definition for speed and time. Speed: Speed is the distance an object moves in an amount of time Time: The amount of time is measured in seconds, minutes, or hours Which statement is correct about John's definitions? (2 points) a Both definitions are incorrect. b Both definitions are correct. c The definition for speed is correct, the definition for time is incorrect. d The definition for time is correct, the definition for speed is incorrect.
Answer:
A
Explanation:
I might be wrong but I think it's a
Answer: Speed: Speed is the distance an object moves in an amount of time. Time: The amount of time is measured in seconds, minutes, or hours.
Explanation: Because the amount of time measured
A rock is taken from the Moon back to Earth. Which of the following correctly
describes the changes to its mass and weight?
a. Its mass has no change, and its weight decreases.
b. Its mass has no change, and its weight increases.
c. Its mass decreases, and its weight has no change.
d. Its mass increases, and its weight increases
The mass of the rock remains unchanged, and its weight increases.
What is Weight ?
Weight is the force exerted by the earth on an object at the surface of the earth. Mathematically -
W = m x g
where -
m is the mass of object
g is acceleration due to gravity
Given is a rock is taken from the Moon back to Earth.
Mass and weight are completely different from each other. Mass is the amount of matter present inside the body whereas weight is the force exerted by earth on any object on its surface. Mathematically -
W = mass x acceleration due to gravity
W = Mg
The ratio of Weight to mass is [g] (9.8).
W/M = g
Mass of a body remains constant throughout the universe but its weight depends upon the value of acceleration due to gravity of the environment of the planet or any other celestial body in which it exists. Hence, because of this only, the mass of rock remains same but its weight increases as it is brought back to earth since the acceleration due to gravity on earth is greater than that on moon.
Therefore, the mass of the rock remains unchanged, and its weight increases.
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Use the information and data from the tests to make a recommendation for which blanket the government should choose. In your response include scientific reasoning to support your recommendation.
Reasoning: Explain using scientific principles and connect the test results to the criteria and constraints.
Answer:
through the day yesterday and I was really hoping to see you and
The forces exerted on an object are shown.
help asap!!!!! (i will mark brainliest)
A box has an arrow pointing down labeled F and an arrow pointing up labeled 5 N.
Which of the following happens when F is less than 5 N?
The object moves up.
The object moves down.
Balanced forces keep the object stationary.
Balanced forces keep the object's speed constant.
Answer:
The object moves up.
Explanation:
I think that's the answer because since F was up that would cause 5 N . To go up.
Tell me if I'm wrong, plz :D
Answer:
The object moves up
Try to make it that force of friction is so much that the object's cannot be accelerated.
How can you do this?
Answer:
high gravity I hope it helps ️
Explanation:
High gravity mean's high fraction
How do planets with larger masses apply greater gravitational forces on objects compared to planets with less mass?
Answer:
more massive objects will attract each other with a greater gravitational force. So as the mass of either object increases, the force of gravitational attraction between them also increases.
identify the for of energy
(A)thermal
(B)kinetic
(C)chemical
(D)electrical
Answer:
C Chemical Energy
Explanation:
food gives us chemical energy which may be transformed to other later..
please mark me brainliest
A student passes a magnet over 10 grams of a powder. Four grams of the powder stick to the magnet, while 6 grams do not .which of these identifies the substance?
Which is a limitation of comparative investigations?
They give results that are usually not repeatable by other scientists.
They might show variable relationships that are not actually cause and effect.
They can usually only be conducted in labs instead of in natural environments.
They are usually inexpensive, but they do not provide new information.
Answer:
hi............
Explanation:
When an Alka-Seltzer® tablet is put in water, there is a chemical change because there are bubbles produced. The Alka-Seltzer® tablet slowly disappears over time. What would speed up the chemical change?
Adding more water would cause the chemical change to speed up.
Changing the color of the tablet would cause the chemical change to speed up.
Decreasing the temperature of the water would cause the chemical change to speed up.
Increasing the temperature of the water would cause the chemical change to speed up.
A chemical equation calls for 2 water molecules. How many of each atom would be in this formula of 2H20?
2 Hydogen atoms and 2 oxygen atoms
4 Hydrogen atoms and 4 oxygen atoms
4 Hydrogen atoms and 2 oxygen atoms
Answer:
wanna be friands
and i want brainliest please
Explanation:
You are asked to determine the identity of an unknown liquid and can only measure one physical property. You freeze the liquid and record that the liquid turns into a solid at 0 degrees C. Which physical property does this demonstrate?
melting point
boiling point
freezing point
volume
What is the basic building block of all pure substances that make up matter in the world? A. atoms B. cells C. compounds
Answer:
a) Atoms
Explanation:
Why do you see lightning before you hear the thunder?
The rain in the air slows the sound waves down.
Light travels faster than sound through the air.
The thunder has to reflect off the ground first.
The lightning is closer to the ground than the thunder.
B,speedof light>speed of sound
PLS ANSWER ASAP
Global winds affect weather patterns around the world. What are the names of the three types of global winds shown in the diagram?
A) A are polar easterly winds B are trade winds, and C are gulf winds.
B) A are north winds, B are prevailing westerly winds, and C are polar easterly winds.
C) A are north winds, B are west winds, and C are east winds.
D) A are polar easterly winds, B are prevailing westerly winds, and C are trade winds.
Answer:
answer is C!!
Explanation:
True or False. The elements that make up the reactants must be present in the products.
Answer:
In a chemical reaction, the atoms and molecules that interact with each other are called reactants. In a chemical reaction, the atoms and molecules produced by the reaction are called products. In a chemical reaction, only the atoms present in the reactants can end up in the products.
Explanation:
help quick............
Atomic number: 42
Chemical symbol: Molybdenum (Mo)
Number of protons: 96
Atomic mass: 96
Number of electrons: 42
Number of valence electrons: 5
Number of electrons in the n=3 shell: 42
Number of neutrons: 54
An element can be separated into simpler substances by
a. physical means
b. chemical means
c. both physical and chemical means
d. neither physical nor chemical means