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3 years ago

1. Explain the relationship between the loss of Arctic ice and the

Biology

2 answers:

Evgesh-ka [11]3 years ago

8 0

Answer:

The loss of Arctic ice leads to increase in sea level. This occurs as the melted ice run into oceans, and as the ice expand due to sunlight intensity.The aftermath of this is increase in flooding. Which may disrupt Cultivation of crops and and animals husbandry leading to shortage of foods - famine.

Besides, it leads to sea less will become less stable, vegetation cover will be destroyed, animals specific to particular habitats are disappearing. This ultimately affect human population survival.

Explanation:

Sindrei [870]3 years ago

5 0

Answer:

As the ice melts in the arctic regions, the arctic sea levels and the other oceans stay the same. The weather however changes when this happens and results to the Greenland's melting ice sheet adding another 20 feet to sea level rise.

In summary, the melting of polar ice caps effects would result in sea levels rising around 220 feet or more worldwide.

This will lead to destruction of lives, houses and properties due to water submersion.

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Which structure in the cell shown in Figure 7–2 above stores materials, such as water, salts, proteins, and carbohydrates?

RideAnS [48]

The answer is C. These structures are vacuoles and are found in plants cell (you can tell it’s a plant cell because of the outer cell wall in the picture). Vacuoles have a variety of other functions storage of waste products, maintain turgor pressure for plants support.

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4 years ago

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Producers, like this plant, take in oxygen and release carbon dioxide during______,just like animals and other living things

Mamont248 [21]

Answer:

d cellular respiration

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3 years ago

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A planet has a mass of 5.97 x 1024 kg and a radius of 6.38 x 106 m. Find the weight of a 65.0 kg person at 1000 km above the sur

mote1985 [20]

Answer: The weight of the person above the surface of a planet is 635.83N.

Explanation:

To calculate the weight of a person, we use the formula:

$w=mg$ ....(1)

where,

w = weight of an object

m = mass of the person = 65kg

g = acceleration due to the gravity of the planet

For the calculation of weight, we need to first find the acceleration due to gravity and for that we use the formula:

$g=\frac{GM}{r^2}$

where, g = acceleration due to gravity = $?m/s^2$

G = Universal gravitational constant = $6.67\times 10^{-11}Nm^2/kg^2$

M = mass of the planet = $5.97\times 10^{24}kg$

r = distance of the person from the planet = $6.38\times 10^6m$

Putting values in above equation, we get:

$g=\frac{(6.67\times 10^{-11}kgm/s^2.m^2/kg^2)(5.97\times 10^{24}kg)}{(6.38\times 10^6m)^2}\\\\g=9.782m/s^2$

Putting this value in equation 1, we get:

$w=65kg\times 9.782m/s^2=635.83N$

Hence, the weight of the person above the surface of a planet is 635.83N.

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3 years ago

You need to use the scientific method and In order to work as an environmental scientist.

adell [148]

Answer:

You need to use the scientific method and knowledge of the environment in order to work as an environmental scientist.

Explanation:

An environmental scientist should have an excellent knowledge about the systems of the environments and scientific methods. If a scientist is thorough about his understandings of the environment, he will be able to recognize any changes in the environment immediately and formulate the necessary reasons for the changes by using the scientific method of research. By using the scientific method of research, a scientist is able to learn about the various phenomenon occurring in the environment.

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3 years ago

In the first step of spermatogenesis, spermatogonia differentiate cells into

mojhsa [17]

Answer:

B. Primary spermatocytes

Explanation:

The germ cell line is a group of cells found inside the seminiferous tubules. This germ cells undergo mitosis (creating spermatogonia) to have a steady supply of cells that will divide by meiosis to produce gametes. When spermatogonia divide by meiosis at the end of meiosis I the newly created cells are known as primary spermatocytes.

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3 years ago