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DIA [1.3K]
2 years ago
13

The surface of the earth is divided into more than 50 large plates.? true or false?

Biology
1 answer:
otez555 [7]2 years ago
3 0

Answer:

False

Explanation:

There are 7 major and 8 minor tectonic plates. There are certainly not fifty. There are only about 15.

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What are the two circuits of the cardiovascular system? What does it mean to say that the cardiovascular system is a closed syst
maksim [4K]

Answer:

The two circuits of the cardiovascular system are: Pulmonary Circuit and Systematic Circuit. The pulmonary circuit is shorter than the systemic and is responsible for carrying deoxygenated blood to the lungs from the right atrium, for oxygenation. The systemic circuit is longer and leaves the aortic artery, carrying oxygenated blood throughout the body and nutrients for survival. If less blood were pumped into the systemic circuit, this amount would not be sufficient to compensate for the organism's needs, with the corresponding consequences that this would entail.  

It is said that the cardiovascular system is a closed system because blood travels inside a network of blood vessels without leaving them.

5 0
2 years ago
In which regions of the digestive system is amylase produced?
Natasha_Volkova [10]

Answer:

I think its B

Explanation:

8 0
1 year ago
The fur color in a colony of mice has been brown for many generations. One gene appears to code for the fur color pigment. In a
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Answer:

A mutation in the DNA sequence of the gene for brown fur  

Explanation:

The mutations are capable of changing the encoded protein product, in this case the gene that encodes for the fur color pigment. This mutation may have occurred during mitosis or meiosis divisions.

If it is a spontaneous mutation that occurred in the germinal line (meiosis) and confers an adaptive advantage, it will increase their frequency in the population.

5 0
3 years ago
What is responsible for the layering effect in planetary formation?​
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Answer:

The stratification of Earth into its geologic layers was brought about by the formation of the Earth's iron core. The iron core was generated by a combination of radioactive decay and gravitation, which raised the temperature enough for molten iron to form.

Explanation:

8 0
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Why might you be cautious of scientists information you hear from advertisers?
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It could be biased or misleading.
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