Answer:
The correct option is 21
Explanation:
First of all, it should be noted that the full moon is usually observed in the middle of the lunar month, which is usually 29 or 30 days, hence the full moon can be observed either on the 13th but most likely on the 14th and/or the 15th of the lunar month.
At the early days of the month, the new moon begins to form a crescent which appears and continues to get fuller (called waxing crescent) as the day goes by until half of the moon is noticed (usually after about seven days) on one side, this is known as the first quarter.
After half of the moon is noticed on one side, the moon continues to get fuller (called gibbous moon) until a full moon is noticed on the 14th/15th day. This full moon then starts waning or becoming smaller until the other half of the moon becomes visible while the initially seen half becomes invisible/clouded (this is called third quarter). This happens after another 7 days or on the 21st day. This half moon continues to get smaller (forming a waning crescent) until no moon is seen at the end of the month (around the 28 or 29th day) which is referred to the new moon.
Hence, we can see from the above that from the third quarter to a new full moon will go through the steps below
third quarter ⇒ new moon ⇒ first quarter ⇒ full moon
If each step takes about 7 days and there are 3 steps, the approximate number of days she has to wait before the full moon is 21 days.
An earthworm turns away from light
its called Photophobia
What prediction can you make about softness of potassium and vigor of its reaction with water?
Answer:
Chemical properties of the alkali metals
Atoms of group 1 elements all have one electron in their outer shell. This means that the alkali metals all have similar chemical properties.
Reactions with water
The alkali metals react with water to produce a metal hydroxide and hydrogen. For example, sodium reacts with water:
Sodium + water → sodium hydroxide + hydrogen
2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)
Sodium hydroxide is an alkali. It is a base that dissolves in water to form an alkaline solution. This solution:
has a pH greater than 7
turns universal indicator solution blue or purple
Hydrogen gas is also produced. With very reactive metals such as potassium, the energy of the reaction causes the hydrogen to burn as the reaction takes place.
Explanation:
Answer:
potassium reacts rigorously with cold water. potassium is a soft metal. we can predict that potassium is a highly reactive metal.
Explanation:
hope this helps
The respiratory system controls __________, and the circulatory systems controls __________. (5 points)
antibodies; digestion
breathing; blood flow
muscles; bones
nerves; senses
Answer:
respiratory- breathing
Circulatory- blood flow
Explanation:
PLS HELP : What is the purpose of apoptosis?
Check ALL that apply.
(4 Points)
to make sure it has enough water
eliminates unnecessary cells
removes unhealthy cells
takes out damaged cells
Abiotic factors of an ecosystem can include ?
Answer:
Abiotic factors are the non-living parts of the environment that can often have a major influence on living organisms. Abiotic factors include water, sunlight, oxygen, soil and temperature.
How many protons are in a atom
What impact does an increase in temperature have on the rate of a chemical reaction?
A) Temperature has no effect on the rate of a chemical reaction
B) It decreases the rate of the reaction
C) It increases the rate of the reaction
Answer:
C) It increases the rate of the reaction
Explanation:
Hope this helps!
The Gulf Stream is a surface current in the Atlantic Ocean that flows northward from the Caribbean Sea and the Gulf of Mexico. It feeds another current that reaches northern Europe. Which of these events would cause the greatest changes to the path and strength of the Gulf Stream?(please help)
A. a strong earthquake that occurs on the floor of the Atlantic Ocean
B. an increase in the volume of river water that flows into the Gulf of Mexico
C. a reversal of direction in the prevailing winds over the Atlantic Ocean
D. a slight increase in the salinity of the Atlantic Ocean
Answer:
It constitutes the northeastward extension of the Gulf Stream; the latter issues from the Gulf of Mexico and gradually emerges as the North Atlantic Current in mid-ocean. It is composed of several broad currents with speeds of about 0.2 knots, as compared with the Gulf Stream's rather concentrated flow at 1 to 6 knots.
Explanation:
Answer:
B. an increase in the volume of river water that flows into the Gulf of Mexico
Which process occurs within the mitochondria?
lactic acid fermentation
alcohol fermentation
glycolysis
Krebs cycle
The correct answer is D i.e. krebs cycle occurs in mitochondria.
what is mitochondria?
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP)
what is krebs cycle?
The tricarboxylic acid (TCA) cycle, also known as the Krebs or citric acid cycle, is the main source of energy for cells and an important part of aerobic respiration. The cycle harnesses the available chemical energy of acetyl coenzyme A (acetyl CoA) into the reducing power of nicotinamide adenine dinucleotide (NADH).
it is a closed cycle which produce 8 intermediates which are;-
CitrateIsocitrateOxoglutarateSuccinyl-CoASuccinateFumarateMalateOxaloacetate (oxaloacetic acid)To know more about krebs cycle here
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6. Name eight characteristics that all living things share.
Answer:
homeostasis reproduction sensitive cells grow adapt interact respiration consume energy
Answer:
respiration,digestion,exretion,circulation,reproduction,locomotion and movement,chemical coordination
Explanation:
All these characteristics are found in living things
MAKING BRAINLIEST, THANKS AND FIVE STARS TO CORRECT ANSWER!! PLZ AND THANK YOU. HAVE A GREAT DAY :D
A sperm cell joins with an egg cell during:
fertilization
pollination
mitosis
growth
Answer:
Fertilization !!
Explanation:
When the egg and sperm cells combine in fertilization, they merge the two sets of chromosomes.
Hope i helped :)
what is the parts of earths atmosphere help ill give brainliest *URGENT*
A student claims that a leaf is living, and a plastic leaf is nonliving. Which statement provides evidence to support the claim?
Answer:
The plastic leaf lacks cellular structure.
Explanation:
describe the food chain plant& grasshopper snake _______
Answer:
plant-grasshopper-snake-Eagle
what is geological uplifting
Answer:
ereee
Explanation:
weqwe
Which example uses collaboration to gain further knowledge?
A) A group of scientists working together to summarize results from prior experiments.
B) A group of scientists meeting and sharing results to determine who gets the credit for discoveries.
C) A group of scientists copyrighting their results to ensure other scientists do not plagiarize their work.
D) A group of scientists getting together to share the results of their experiments with each other and find a solution to a given problem.
Answer:
i love rodrick heffley
Explanation:
EXTRA POINTS* the particles in a ______ solid are arranged in a repeating pattern.
Which molecules prevent cell membranes from dissolving in water?
O A. Nonpolar fatty acids
O B. Polar phosphate groups
C. Adenosine triphosphates
D. Large globular proteins
Explanation:
a nonpolar fatty acids
hope this help u
A non-polar fatty acids prevent cell membrane from dissolving in water. The correct option is A.
What is a cell membrane made of?The cell membrane, also known as the plasma membrane, is uncovered in all cells and serves to separate the cell's interior from the outside environment.
The cell membrane is made up of a semipermeable lipid bilayer. The cell membrane controls the transport of materials into and out of the cell.
These are glycerophospholipids, which are molecules made up of glycerol, a phosphate group, and two fatty acid chains. Glycerol is a three-carbon compound that serves as the membrane lipids' backbone.
As, these non-polar fatty acids are insoluble in water, so it protect the cell membrane from water. It actually prevent the cell membrane to get dissolve in the water.
Thus, the correct option is A.
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In the human body, is every organ a part of only one organ system? Or are some organs a part of two or more organ systems? A. Every organ is a part of only one organ system, which is necessary because organ systems work independently of one another. B. Every organ is a part of only one organ system, although organ systems often interact with one another. C. Some organs are a part of two or more organ systems. For example, the heart is a part of the circulatory and digestive systems. D.
C
[From ck12.org] "An organ can be part of more than one organ system. For example, the ovaries produce hormones, which makes them a part of the endocrine system; the ovaries also make eggs, which makes them a part of the reproductive system as well."
How does the Golgi Body and Plasma membrane work together ?
Answer/Explanation:
The Golgi body is a system of flattened sacs that is involved in the packaging, modification, and transport of proteins. It is particularly important for proteins that have to be transported outside of the cell.
Proteins from the Golgi that are to leave the cell are transported in vesicles. When they reach the membrane, the vesicles fuse with it and release the proteins outside of the cell
Identify the structures in the eukaryotic cell pictured on the right. Label A Label B Label C Label D Label E
Help Please
What is the chemical reaction of carbon dioxide (or an example of a chemical reaction of carbon dioxide)
Also, does carbon dioxide create a reactant or product?
Answer:
co2 reacts with hydrogen in a reversible reaction to form carbonic acid
Explanation:
if u want the equation lem me know
A golfer collected data on the distance a gold cart traveled in a straight line and plotted it on a graph
Answer:
linear graph
Explanation:
The diagram below illustrates the movement of substances in a process the manufactures energy for many organisms. This process occurs within a plant cell
Answer:
can you insert the diagram please?
explain how animal cells differ from plant cells with respect to the effects of net water movements
Answer:
Terms in this set (4) Animal cells do not have a cell wall, meanwhile plant cells do have a cell wall. As a result, water passes freely in an animal cell due to osmosis. In a hypotonic solution, there is more free water outside the cell than inside the cell.
With as much as detail as possible, give another example of an analogy for describing the difference between prokaryotic cells and eukaryotic cells
i have pdf of differences if you want i can send you
Please answer this.. please
Answer:
10.8 amu
Explanation:
11 * 0.80 = 8.8 (11 represents ion, 0.80 represents %)
10 * 0.20 = 2 (10 represents ion, 0.20 represents %)
8.8 + 2 = 10.8 amu
A plant has iron deficiency with dry, yellow leaves. How might yellow leaves affect a plant’s ability to photosynthesize?
Answer:
It will photosynthesize at a much slower rate
Explanation:
Chlorophyll is important in the process of photosynthesis. Leaves that aren't green are a physical sign of a lack of chlorophyll.
2. Salt in soil may affect plant growth.
Formal Hypothesis:
Answer:
if salt is present in the soil, then plants will not grow as tall
Explanation:
hypothesis' are just if ___ then ___ statements. it doesn't matter if it's correct, you just have to be confident. so, as long as you don't use probably, maybe, might, etc, and stick to the if __ then __ format, you should be good to go!
What evidence did Mendel find that supported his law of independent assortment?
A. Some traits are controlled by several different genes.
B. Most traits have a dominant form and a recessive form.
C. A trait can be passed on from a parent to an offspring.
D. Different traits are passed on independently of each other.
Answer:
D
Explanation:
The evidence observed by Mendel supporting his law of independent assortment is that different traits are passed on independently of each other (Option D).
What is independent assortment?In genetics, independent assortment refers to the independent segregation of characters (genes) in offspring.
Independent assortment can be observed by crossing parental lines that exhibit different traits.In conclusion, the evidence observed by Mendel supporting his law of independent assortment is that different traits are passed on independently of each other (Option D).
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