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harkovskaia [24]
3 years ago
10

What are the two models of the Solar System? How are they different?

Biology
1 answer:
Juli2301 [7.4K]3 years ago
8 0

Answer:

The geocentric model says that the earth is at the center of the cosmos or universe, and the planets, the sun and the moon, and the stars circles around it. The early heliocentric models consider the sun as the center, and the planets revolve around the sun.

Explanation:

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The map shows the main streams and the rivers near City A and City B, as well as the nearby factories and farmland. The arrows i
AveGali [126]

Answer:

A. City A because there are no pollution sources upstream.

Explanation:

Water pollution is th contamination of water. There are many means through which water is contaminated such as industrial waste, agricultural waste and domestic waste et-cetra.

City A and City B get water from sunset lake and moth lake which have factories (industrial waste) and farmland (agricultural waste) nearby them, which are responsible for the contamination of river water. due to this cities can recieve contaminated water which can affect their health.

But the quality of water in City A will be best than that of City B because according to the image, City A do not have nay upstream soooooource of pollution, as factories and farmland are located at downstream.

Hence, the correct option is A.

8 0
3 years ago
How does natural selection lead to changes in organisms?
zzz [600]

Answer:

it is every organisms goal to "survive and repopulate" therefore, with natural selection the weaker organisms die because they did not possess the traits necessary to survive, and the strong survive and repopulate

Explanation:

3 0
3 years ago
2. What do you call the shape of a DNA molecule?
Tju [1.3M]

Answer:

double helix

Explanation:

looked up on google lol

3 0
3 years ago
An example of an insulator is
insens350 [35]
Iron is a chemical element with symbol Fe and atomic number 26. It is a metal in the first transition series. It is by mass the most common element on Earth, forming much of Earth's outer and inner core
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A health care provider suspects that a thyroid nodule may be malignant. the nurse knows to prepare information for the patient b
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In diagnosing thyroid disease, thyroid function must be established first. This can be done by testing for the TSH, T4 and T3 in the serum. After testing for the thyroid function, ultrasound must be done, this can help us to visualize if the nodules are cystic or solid. Ultrasound can also help establishing the size of the tumor as well as if there is an invasion. FNAB can be done to determine the presence of malignancy, before doing this patient must be in euthyroid state. Hyperthyroid patient can lead into thyroid storm if FNAB was done without knowing the thyroid function of the patient.
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