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4 years ago

How does human impact on freshwater ecosystems by nitrogen cycle and environmental impact

Biology

1 answer:

Radda [10]4 years ago

5 0

Answer:

Nitrogen is a critical limiting nutrient in many systems, including forests, wetlands, and coastal.

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What evidence suggests that the first tetrapods were amphibians?

Inessa05 [86]

Becuase they were fully aquatic unlike tetrapods today

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3 years ago

Why do breeders look at pedigrees before breeding dogs? Or in different words, how do pedigrees play a part in breeding dogs?

Maksim231197 [3]

Answer: Pedigree's in breeding dogs show the history of the dog and there traits. With a pedigree you can find the disease a dog may succumb to from it's ancestors or physical features.

With pedigree dog breeders can also find out whether a dog is purebred or not purebred.

Explanation:

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3 years ago

Based on your knowledge of how the greenhouse effect works, why does the level carbon dioxide affect the global temperature?

miv72 [106K]

Explanation:

Carbon dioxide and other greenhouse gases in the atmosphere prevents long wave radiation from leaving the earth and in the process, it raises global temperatures.

Greenhouse gases helps to maintain the fair balance in temperature on the earth surface.
They keep the temperature of the earth in balance by preventing it from losing all of the heat it gains.
Radiation from the sun reaches the surface as short wave radiations.
When they get absorbed and re-emitted, they produce long wave thermal radiations.
In the atmosphere, the radiations are cut off and causes warming due to their interaction with greenhouse gasses there
When the amount of these gases in the atmosphere become more than normal, more heat becomes trapped.
This leads to an anomalously high surface temperature on earth.

learn more;

Greenhouse emission brainly.com/question/4580761

#learnwithBrainly

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3 years ago

A nurse is trying to determine whether a pregnant woman's membranes have ruptured. what findings support the conclusion that the

Ivenika [448]

<span>Nitrazine paper turns blue on contact with the fluid. Ferning reveals about the complete Microscopic examination of the fluid. This rupture of the membranes basically means breaking the water which happens before the delivery of the baby. There won't be any danger if the membrane is ruptured which means the bag of water broke.</span>

5 0

3 years ago

Consider the following geometric solids a sphere with a ratio of surface area to volume equal to 0.08 M negative one a right cir

azamat

Options:

A. The rate of diffusion would be the same for the two models.

B. The rate of diffusion would be faster for the right cylinder.

C. The rate of diffusion would be slower for the right cylinder.

D. The rate of diffusion would be faster for the sphere.

Answers:

The rate of diffusion would be faster for the right cylinder. Thus, the correct option is B.

To begin with, we must comprehend how the ratio of surface area to volume affects the rate of diffusion.

When comparing the ratio of surface area to volume, a body with a larger surface area will have a higher rate of diffusion than a body with a smaller surface area. It can be expressed mathematically as:

V∝ R (whereas v is the diffusion rate and r is the surface area to volume ratio)

The answer to the question's surface area to volume ratio for spheres is given 0.8m⁻1

For a right circular cylinder, the surface area to volume ratio is provided is 2.1 M.

The right circular cylinder has a larger ratio, hence it is obvious that the right circular cylinder will have a higher rate of diffusion because the rate of diffusion is directly related to the surface area to volume ratio.

For more information regarding volume, visit:

brainly.com/question/463363

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4 0

2 years ago