SOMEONE HELP ME PLZ, I WILL MARK BRAINLIEST!!!

Answers

Answer 1

Cl 1- has 17 protons and 18 electrons
K 1+ has 19 protons and 18 electrons
S 2- has 16 protons and 18 electrons
Sr 2+ has 38 protons and 36 electrons
Al 3+ has 13 protons and 10 electrons
P 3- has 15 protons and 18 electrons
Si 4- has 14 protons and 18 electrons

56+/54- has a charge of +2
87+/86- has a charge of +1
84+/86- has a charge of -2
50+/46- has a charge of +4
32+/36- has a charge of -4
55+/54- has a charge of +1
12+/10- has a charge of +2

Related Questions

what type of government did egypt and the indian valley civilization have? How was power passed through generations?
Simple pls

Answers

Answer: Mesopotamia, china, indus River Valley, the mesoamerican empires..... in this case, the two rivers are the tigris and Euphrates. Mesopotamia. The name Mesopotamia was given to the middle eastern civilizations that existed between the Euphrates and Tigris Rivers. :)

In your Punnett Square activity, you chose beads which represented
genes and used Punnett Squares to determine possible offspring.
your first parent genotype was yellow bead and blue bead and the
second parent genotype was blue bead and blue bead, how many
offspring our of 4 have the genotype yy?
please please

Answers

Answer:

Two out of the four offspring will have the genotype yy.

In cats, the allele that causes curled ears is dominant to the allele that causes normally shaped ears. If two hybrid curled-ear cats are mated, what percentage of the kittens is predicted to have curled ears?

Answers

Answer:

75% (3:4)

Explanation:

A hybrid organism is one that is heterozygous - it carries one curled allele and one normal allele.

Let's use the letter C. The curled allele is C, the normal allele is c.

The heterozygotes are therefore Cc.

The cross between the two cats is Cc x Cc.

C c

C CC Cc

c Cc cc

Organisms with the genotype CC and Cc are curled ears, since the C allele is dominant to the c allele.

1:4 of the genotypes are CC, and 1:2 are Cc, so 3:4 (75%) have the curled ear phenotype.

Is it possible for it to rain at 0° F? (not snow)

Answers

im pritty sure no but my friend says yes somthing called frezzing rain sooooo

3.The two phases of photosynthesis are _____ reactions and _____ reactions._____. DOC 1
a.)glucose-dependent
B)glucose-independent
C.)light-independent
d.)light-dependent

Answers

Answer:

Explanation:

needed for

photosynthesis

What occurs during interphase of the cell cycle?

Answers

Answer:

A. The chromosomes are split

Explanation:

That’s just what happens bud.

A is the correct answer for this questions

If u know the water cycle please answer this question

Answers

Answer:

Gravity

Explanation:

Percolation is the process of a liquid slowly passing through a filter. It's how coffee is usually made. Percolation comes from the Latin word percolare, which means "to strain through." Percolation happens when liquid is strained through a filter, like when someone makes coffee.

Evaporation-the process of turning from liquid into vapor.

Condensation-water which collects as droplets on a cold surface when humid air is in contact with it.

and gravity- Gravity is the force of attraction between two objects, and Earth's gravity pulls matter downward, toward its center. It pulls precipitation down from clouds and pulls water downhill. The warm water near the surface of the ocean heats up with sunlight and evaporates, keeping the water cycle in motion.

Indicate whether a solution will have more OH– or H+ if the pH value of the solution
is 10.

Answers

A pH level of 10 is very alkaline, and one indicator of a solution being an base would be that it was a hydroxide (OH-) therefore the solution would have more OH- .

The solution with a pH value of 10 will have more OH- ions.

In chemistry, pH is described as a scale that is specifically utilized to specify the basicity or acidity of an aqueous solution. The pH of different solutions are described as follows:

Acidic solution: If a solution has pH<7, then the solution is acidic and tend to have more H+ ions than OH- ions Neutral solution: The solution is neutral when pH=7 and the concentration of H+ and OH- ions are the same Basic solution: If a solution has pH>7, then the solution is Basic and tend to have more OH- ions than H+ ions

Thus, in this case, pH>7 and thus we can conclude that the solution will have more OH- ions than H+ ions.

Learn more about pH here:

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Is the following sentence true or false? The apparent change in the
frequency and wavelength of a wave as it moves toward or away from an
observed is know as the Doppler effect.

True or False

Answers

Answer:

True

Explanation:

Doppler's effect is the apparent change in the wavelength and frequency of a wave as it moves towards or away from an observer.

The relative motion between the observer and the source causes changes to the wavelength and frequency. This effect is the doppler's effect. When a source moves closer, the frequency of the wave increases. For example, we see that effect of water ripples when a stone is dropped in still water.

please help. i am confuse and trying to figure out

Answers

Answer:

your right

Explanation:

u clicked on the right answer

Which ocean current directly affects the weather along the southernmost coast of the eastern United States A. Gulf Stream B. Monsoon current C. North Atlantic Drift D. South Pacific Equatorial Current

Answers

Equatorial current, ocean current flowing westward near the equator, predominantly controlled by the winds. Characteristically, equatorial-current systems consist of two westward-flowing currents approximately 600 miles (1,000 km) wide (North and South equatorial currents) separated by an eastward-flowing countercurrent only 300 miles (480 km) wide. Usually flowing at depths of less than 1,650 feet (500 m), equatorial currents travel at rates of 10 to 40 inches per second (25 to 100 cm per second). Equatorial undercurrents, centred on the equator at depths of 160 to 500 feet (49 to 152 m), flow eastward at rates up to 5 feet/s (1.5 m/s) and are approximately 1,000 feet (305 m) deep and 640 miles (1,030 km) wide.

Please please answer if you get it right I will mark brainliest

How can competition contribute to evolution through natural selection?

Answers

Answer: During competition, organisms that have favorable traits for this task will survive and are said to be selected. These organisms will reproduce and pass on those traits to their offspring. Thus, the frequency of organisms with those traits will increase

Explanation: In Darwin's theory on the mechanism of evolution, competition among living things is viewed as a major part of the “struggle for existence” and therefore as a basis for natural selection (Darwin 1872).

Intraspecific competition occurs between members of the same species. For example, two male birds of the same species might compete for mates in the same area. This type of competition is a basic factor in natural selection. It leads to the evolution of better adaptations within a species.

Help due tomorrow what is it please help??

Answers

Answer: Erosion is the correct answer

Thermal specialists versus thermal generalists and the idea of thermal niche

Answers

Answer:

elaborate

Explanation:

A scientist has 400 grams of a radioactive substance with a half-life of one year. The amount of the substance that the scientist has after t years is represented by the expression 400(0.5)t.

Which kind of expression is 400(0.5)t?

linear
quadratic
exponential growth
exponential decay

Answers

Answer:

D. exponential decay

Explanation:

Got it right on edge :P

Why do you think in the table below, Adenine and Thymine have almost the same number – but not exactly?

Nucleotide

# found in genome

Adenine

701,234,142

Guanine

803,127,160

Cytosine

803,127,162

Thymine

701,234,146

Answers

Adenine pairs with thymine and Guanine pairs with cytosine. The numbers are not exactly the same because of the mutations that happen in DNA. Some of the DNA could be broken off or put somewhere else in the gene that would throw everything off, nothing is perfect. However in a perfect world, both adenine and thymine would have the same numbers.

what are 5 physical traits of a turkey

Answers

Answer:

feathers, eyes, gobbler, beak, head

Explanation:

When two species interact in a way that is beneficial to both species this is what kind of relationship?
A. Parasitic
B. Mutualistic
C. Commensal
D. Symbolic

Answers

Answer:

Explanation:

Mutualism is a relationship between two species in which both species benefit. Certain species of bacteria in your intestines form a mutualistic relationship with you.

Answer:

D. Symbolic

Explanation:

hope that helps you out love!! <3

What conclusion can be reached about this data

Answers

Answer:

Explanation:

What data?

The area where an organism gets everything it needs is called its

Answers

Answer:

Explanation:

The place where an organism lives and that provides the things the organism needs is called ist habitat...

Explain what is meant by cotransport

Answers

Explanation:

Cotransporters are a subcategory of membrane transport proteins that couple the favorable movement of one molecule with its concentration gradient and unfavorable movement of another molecule against its concentration gradient

Since transport of materials in and out of the cell can only happen at the cell's surface, what happens as cells get larger? How does this impose a limit on cell size?

Answers

Answer:

The surface area/volume ratio will decrease

Explanation:

How does this impose a limit on cell size?

Because the ability of a cell to exchange substances with its environment is proportional to its surface area.

Hence, if surface area/volume decrease and get too small, surface area is not sufficient to take up substances needed to support metabolism or get rid of wastes.

Which is NOT Part of the Cell Theory
A. All living things have cells
B. Cells must have complex interworking parts
C. All cells reproduce
D. Cells are the smallest unit that perform life functions

Answers

Answer: B

Explanation:

Cells do not have to have complex interworking parts, they just have to do the job for the body. The answer is B.

- Which pair of features is correct for both a human liver cell and an Escherichia coli bacteria cell?

Answers

Answer:

contains DNA associated with protein, contains naked DNA

Explanation:

E coli are prokaryotes with naked DNA found in the cytoplasm. In contrast, human liver cells contain DNA present in a nucleus, a membrane-enclosed organelle. The DNA is associated with proteins (forming a structure called chromatin).

Human liver cells contain mitochondria, but E Coli do not contain membrane-bound organelles.

Eukaryotic ribosomes are larger than prokaryotic ribosomes. Eukaryotic ribosomes are 80S in size, prokaryotic are 70S in size.

The function of oxygen in aerobic respiration is to:
a) carry hydrogen ions from the Krebs cycle to the electron transport chain
b) bind electrons and hydrogen ions at the end of the electron transport chain
c) attach a high energy phosphate group to ADP
d) form carbon dioxide in the Krebs cycle
e) donate electrons to NADH to make it release a hydrogen ion

Answers

Answer:

Aerobic respiration uses oxygen to break down glucose, amino acids, and fatty acids and is the main way the body generates adenosine triphosphate (ATP), which supplies energy to the muscles.

Explanation:

hope this helps

As time progressed and technology improved, microscopes were able to give clearer images of extremely tiny objects. How did this development advance the cell theory?
please be sure that you include at least 3-4 full sentences

Answers

Answer: plz give brainlist

Robert Hooke is accredited with observing the first cells in 1665. At that time, Robert Hooke used a microscope to look at cork cells.

In 1670, Antoni van Leeuwenhoek was accredited with being the first scientist to discover pond life. He used lenses to make the discovery.

Robert Brown (1773-1858) used a microscope to discover the nucleus.

How are rocks and air alike? A. People use them to build things. B. They are on the ocean floor. C. They are natural resources. D. People need them to live.

Answers

Answer:

i think its c

Explanation:

Answer: C.

Explanation: Natural resources are resources that exist without any actions of humankind. Basically materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain. Rocks are a source of natural resources and so is air. If the answer is not correct, then it must be D.

wich statement accurately describes the energy needs for photosynthesis and cellular respiration ?

Answers

Answer: solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration

Explanation:

PLEASE HELP ASAP!!! :) | its only 3 questions ill give brainliest if your right
1.Which type of rock may result when sedimentary rock is exposed to extreme heat and pressure?

a. clastic

b. extrusive

c. igneous

d. metamorphic

2. In the rock cycle, how does rock become sediment?

a. Through weathering and erosion

b. through crystallization and solidification

c. through heat and pressure

d. through compaction and cementation

3. A Sedimentary rock containing a fern fossil was found. what does this tell about the area at the time the rock was formed?

a. The area was hot

b. The area was covered by and ocean

c. The area was cold

d. The area was on a land

Answers

Answer:

d. Metamorphic

a. Through weathering and erosion

d. The area was on land

Explanation:

Hope I helped!

_________ is required for energy given to proteins in the phospholipid layer.
a.Anaerobic
b.Aerobic
c.Active transport
d.Turgor
e. Passive transport

Answers

Answer:

Explanation:

Active transport is required for energy given to proteins in the phospholipid layer (Option c).

Active transport is a type of transport across a cell membrane that requires energy, usually in the form of ATP, to move substances (either molecules or ions) against a gradient of concentration.

Conversely, passive transport refers to the movement of substances across a membrane in favor of a concentration gradient, which does not require energy.

Active transport is mediated by transporter proteins known as carriers and/or pumps.

In conclusion, active transport is required for energy given to proteins in the phospholipid layer (Option c).

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