Which area on the earth experience the largest difference between summer and winter?

Answers

Answer 1

Answer:

North Pole

Explanation:

The surface of the Earth is inclined perpendicular to the sunlight (as in the left hand side of figure 2), and so receives the maximum amount of sunlight per square area. The situation is most extreme at the north and south poles. At the north pole, the season is one long,cold night which last for six months.


Related Questions

can someone help me with 6 7 8 and 9

Answers

Answer:

6. UAA GUA UUC UGA GUC UCG AUG CCG

7. UGC CCG UAG GAC ACC CCC GGA

8. UCU GAC GUG UCU UUG AAA CGG

9. GAA ACU CCU GAG CGA GUC GAG

Explanation:

A = U

T = A

C = G

G = C

imma give brainliest
Solid particles in the atmosphere include salt and *
1 point
a. lightning.
b. ozone.
c. dust.
d. leaves.

Answers

Answer:

This one should be c. dust :)

C. Dust :) hope this helps

Which of the following can last for a lifetime?

natural immunization
antibiotic immunization
immunoglobulin
artificial immunization

Answers

Answer:

Natural immunization

Explanation:

Fossils evidence shows that ___________________were the first photosynthetic organisms on earth,about 1.2 billion years ago.​

Answers

Answer:

cyanobacteria

Explanation:

There is suggestive evidence that photosynthetic organisms were present approximately 3.2 to 3.5 billion years ago, in the form of stromatolites, layered structures similar to forms that are produced by some modern Cyanobacteria

Why does totality during a lunar eclipse last longer than totality during a solar
eclipse?
A. The moon moves more slowly.
B. Earth's shadow is bigger than the moon's.
C. The sun moves more slowly.
D. The moon's shadow is bigger than Earth's.

Please help asap.

Answers

Answer:

Earth's shadow is bigger than the moon's.

How can you explain the difference in number of mitochondria in these types of cells?

Answers

Answer:

Organs which need alot of energy to function properly have a greater number of mitochondria

Explanation:

Mitochondria are sites for respiratory enzymes which yield energy for the cells thus skeletal muscles which need alot of energy have more mitochondria than liver and liver due to doing more activities than skin has more mitochondria than the skin.

Answer:

Skeletal muscle cells have a very high amount of mitochondria as well as liver cells because they need high amounts of energy to carry out their functions, whereas skin cells don't need high amounts of energy to function.

slove and get brainliest!!!​

Answers

The answer is D. I got it right on the test

In what cell phase(s) does chromosome production (replication) and formation (condensing) occur?

Answers

Answer:

The S phase and prophase

Explanation:

Replication: it occurs in the S phase of the cecular cycle and the condensation of the chromosomes, the phase is M.

MATCHING
A. indoor air pollution B. sick-building syndrome
D. noise pollution E. long-term effects of air pollution
C. light pollution
F. short-term effects of air pollution
_____ 11. causes stress, high blood pressure, hearing loss
_____ 12. solutions include shielding, time con- trols, and low-pressure sodium sources

_____ 13. emphysema, lung cancer, heart disease
_____ 14. can occur in tightly sealed buildings
_____ 15. sources include plastics, carpets, cleaning fluids, radon, and asbestos _____ 16. headache, eye irritation, coughing, bronchitis

Answers

Answer:

el el parrafo 3

Explanation:

ahi esta

Aresearcher is studying cells. They are currently focusing on a cell with 22 chromosomes . how many chromosomes would be in this cell if it divided by meiosis

Answers

Answer:

11 chromosomes.......

explain how the geologist knows that the flow is older then the intrusion

Answers

Through dating a sample of that rock, we determined the extrusion to be 250 million years old. An intrusion extends from the bottom layer into the fourth oldest layer. Through dating a sample of that rock, we determined the intrusion to be 100 million years old. The principle of superposition states that the oldest sedimentary rock units are at the bottom, and the youngest are at the top. Based on this, layer C is oldest, followed by B and A. So the full sequence of events is as follows: Layer C formed.

Looking at the chart provided, the students need to develop a classification scheme to distinguish plant and animal cells. The presence of which of the following structures/organelles would be most useful for this purpose?

Answers

Answer:

The Cell Wall of plants are more geometrical, than animal cells. Plant cell wall are also stronger.

Plant cell is larger than animal cells

Plant cell have chloroplast while animal cells doesn't

Explanation:

Answer:

cell wall

Explanation:

Plant cells contain a cell wall while animal cells do not have a cell wall. By looking for the presence of a cell wall, students would be able to positively identify a cell as either plant or animal.

Which cellular structure produces proteins using coded instructions from DNA?
a) nucleus
b) chloroplast
c) mitochondrion
d)ribosome

Answers

the answer is d,ribosome

PLEASE HELP. I REALLY NEED THIS!!!!

Answers

Answer:

In nature, populations are usually evolving. The grass in an open meadow, the wolves in a forest, and even the bacteria in a person's body are all natural populations. And all of these populations are likely to be evolving for at least some of their genes. Evolution is happening right here, right now!

To be clear, that doesn't mean these populations are marching towards some final state of perfection. All evolution means is that a population is changing in its genetic makeup over generations. And the changes may be subtle—for instance, in a wolf population, there might be a shift in the frequency of a gene variant for black rather than gray fur. Sometimes, this type of change is due to natural selection. Other times, it comes from migration of new organisms into the population, or from random events—the evolutionary "luck of the draw."

I hope this helps a little bit.

What device captures sound waves and transforms them into mechanical energy to make recordings?
a. Telephone
b. Phonograph
c. Harpsichord
d. Piano

Answers

the answer is a.Telephone

Answer:

Phonograph

Explanation:

A phonograph, in its later forms also called a gramophone or since the 1940s called a record player, is a device for the mechanical recording and reproduction of sound

Come up with five ethical guidelines for research. Write statements that reflect your own views of what is right and wrong. If you really love animals, an example of one guideline might be “No animals may be used in research of any kind.” However, when coming up with these guidelines, be thoughtful about what they really mean. Think of the information you read about earlier. Try to phrase your guidelines in a way that would allow research that you think would be beneficial to still be done. You may find that certain circumstances may cause you to rethink your own ethics!

Answers

Ethical Guidelines for the Use of Animals in Research

Respect for animals' dignity.

Responsibility for considering options (Replace)

The principle of proportionality: responsibility for considering and balancing suffering and benefit.

Responsibility for considering reducing the number of animals (Reduce)

what is the difference between DNA of a stomach cell and the DNA of a brain cell?

Answers

Answer:

they have different functions

Explanation:

the stomach cells breakdown food and make up a certain tissue and take nutrients from the food you eat while the brain cell makes up your neurons and receptors

Since they both have the same genetic information stored in the same sequence of nucleotides, the DNA of a stomach cell and the DNA of a brain cell is practically identical. However, there may be functional distinctions between both kinds of cells depending on how some genes are expressed.

What happens during development?

Cells specialize during development and differentiate into various cell types with distinct functions. According to the requirements of the cell, specific genes are turned on or off as part of the differentiation process.

For instance, a brain cell may express genes that enable it to relay messages and make connections with other cells in the nervous system, whereas a stomach cell may express genes that allow it to produce digestive enzymes and absorb nutrients.

Therefore, the DNA of a stomach cell and the DNA of a brain cell is nearly identical since they both have the same genetic information stored in the same sequence of nucleotides.

Learn more about Stomach cell, here:

https://brainly.com/question/31448877

#SPJ3

Why is it necessary for the cell to grow and duplicate its DNA before the start of meiosis?

Answers

Answer:

DNA replicates before a cell divides to give a complete set of genetic instructions to each daughter cell.

Explanation:

Cells will duplicate or copy their DNA right before they divide. The process of cell division is called mitosis. Since the cell is dividing it needs two copies of its DNA - one is kept by the parent cell and the other is passed to the daughter cell. ... So this process of duplicating DNA is very important

ismitosis is involved in tissue culture. yes or no someone help quickly plz this is a test​

Answers

Answer:

Yes

Explanation:

A tissue culture is a growth of cells outside of the organism on a nutrient medium. What type of cell division, mitosis or meiosis, is involved in tissue culture? Mitosis. Give one other application of tissue culture apart from skin grafting.

plzzz help due at 9:30 central time

Answers

Answer:

The first one

Explanation:

(Plz give brainleist)

Answer:

Explanation:

c is wrong

Why is it difficult to fossilize large animals?

Answers

Answer:

The onerous elements of organisms, like bones, shells, and teeth have a far better likelihood of changing into fossils than do softer elements. One reason for this can be that scavengers typically don't eat these elements. onerous elements conjointly decay additional slowly than soft elements, giving longer for them to be buried.

Explanation:

How does air pollution deplete ozone layer?​

Answers

The ozone depletion process begins when CFCs (chlorofluorocarbons) and other ozone-depleting substances (ODS) are emitted into the atmosphere. CFC molecules are extremely stable, and they do not dissolve in rain. After a period of several years, ODS molecules reach the stratosphere, about 10 kilometers above the Earth’s surface. CFCs were used by industry as refrigerants, degreasing solvents, and propellants.

Answer:

Ozone depletion occurs when chlorofluorocarbons (CFCs) and halons—gases formerly found in aerosol spray cans and refrigerants—are released into the atmosphere (see details below). ... CFCs and halons cause chemical reactions that break down ozone molecules, reducing ozone's ultraviolet radiation-absorbing capacity

The chromosome of a bacterium
Select one:

a. is wrapped around proteins.

b. is found within the nucleus.

c. occurs in multiple pairs within the cell.

d. has a circular shape.

Answers

The answer is D. Has a circular shape :)

What would happen if the rate of evaporation reduces

Answers

Answer:

When temperature and wind speed are constant, but humidity increases, the rate of evaporation will decrease. When wind speed and humidity stay constant, and temperature increases, then the rate of evaporation will increase because warmer air can hold more water vapor than colder air.

Answer:

if the rate of evaporation reduces water cylcle will stops and amount of water present in the world will be increase.humifity will be more.

What are some ways you can reduce the number of fishnets in the ocean?

Answers

Answer:

August 11, 2014 — Six years ago, the Norwegian coast guard filmed a Scottish fishing vessel riding gray swells, dumping 5 metric tons of dead fish back into the North Sea. Over the European Union catch quota, and so unable to keep all the fish they’d caught, the fishermen had to ditch some. To the Norwegians, who aren’t part of the EU and hold a strict discards ban, the waste was shocking.

When this news reached Dan Watson, a young British designer, it became the inspiration for SafetyNet, an ocean fishing net that allows certain fish to escape via lighted rings, offering more catch selectivity. The Scottish fishermen’s predicament, he believed, was driven by their lack of control. “There can be no villains, there can be no victims, there are just problems,” Watson says. “I started this project because I wanted to go some way towards solving that problem.”

Bycatch can result in overfishing, reduces the population of species that might already be endangered and, on the largest scale, interrupts food chains and damages whole ecosystems.

Watson joins a growing number of innovators designing more selective fishing gear to reduce bycatch — the unwanted fish, dolphins, whales and birds that get scooped up by longlines, gillnets and trawlers each year and then discarded. Globally, the amount of marine life that is wasted or unmanaged — which makes it potentially unsustainable — forms about 40 percent of the catch. “The way we catch now is to catch everything, decide what we want to keep, and discard the rest,” says Martin Hall, head of the bycatch program at the Inter-American Tropical Tuna Commission, which regulates tuna fishing in the eastern Pacific Ocean. Bycatch can result in overfishing, reduces the population of species that might already be endangered and, on the largest scale, interrupts food chains and damages whole ecosystems. It also amounts to an enormous waste of valuable fish protein.

Leatherback turtle caught in net

New fishing net designs aim to reduce bycatch — the unintented capture of small fish, turtles, dolphins, whales, birds and other ocean-going life. Photo by Michel Gunther/WWF-Canon.

To designers building better nets and lines, bycatch isn’t viewed as an inevitability, but as something we can phase out, piece by piece. It’s also seen as a battle that needs to be fought alongside fishermen, not against them.

Rethink the Game

Speaking from his trawler, the 45-foot Proud Mary, off the coast of Massachusetts, one such fisherman, Christopher Brown, says that over the years, fishermen have had to “rethink the game.” Brown operates a fishery that’s almost completely free of discards; is the board president of the Seafood Harvesters of America, an organization representing stewardship-minded fishermen; and has designed a squid net that reduces bycatch. The net contains an escape route at its base that exploits the bottom-dwelling behavior of unwanted flounder, encouraging them to flee the net through this gap. “We need to look at things entirely differently than we have in the last 30 years,” Brown says — and new gear is part of that equation. “It’s a matter of enlightened self-interest.”

Explanation:

Hope it helps

A spring tide can occur
O A in any month after March.
0
B. in March, April, or May.
O
C. in late February to early June.
D. in any month of the year
D. in any month of the year.

Answers

The answer is D
In any month of the year
Have a good one!!

what are two limitations in diffusion experiment ??​

Answers

Answer:

Once an organism is beyond a certain size, it cannot get essential molecules into and out of cells solely by diffusion. Diffusion is limited by the surface area to volume ratio of the organism.

Explanation:

once an organism is beyond a certain size, it cannot get essential molecules into and out of cells solely by diffusion. diffusion is limited by the surface area to volume ratio of the organism.

When a force is applied to a liquid, the force moves
throughout the liquid. *
unevenly
equally
decreasingly
increasingly

Answers

equally

When a force is applied to the end of a column of confined liquid it is transmitted straight through to the other end and also equally

please help!! biology!!!

Answers

Answer:

The correct answer would be b

Explanation:

Enzymes work by
Help

Answers

Answer:

I think it will option C

hope it helps

I think it would be option B


Enzymes work by binding to reactant molecules and holding them in such a way that the chemical bond-breaking and bond-forming processes take place more readily. Reaction coordinate diagram showing the course of a reaction with and without a catalyst. With the catalyst, the activation energy is lower than without.
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