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Inga [223]
3 years ago
8

Explain the evidence that Alfred Wegner found to help prove Continental drift?

Biology
1 answer:
amm18123 years ago
3 0

Answer:

Continental drift was a theory that explained how continents shift position on Earth's surface. Set forth in 1912 by Alfred Wegener, a geophysicist and meteorologist, continental drift also explained why look-alike animal and plant fossils, and similar rock formations, are found on different continents.

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What component of earths atmosphere exist is entirely as a result of photosynthesis
satela [25.4K]

I believe the correct answer is Oxygen Gas.

The earth's atmosphere is made up of many different molecules, therefore including the gases. Some common gases are nitrogen, oxygen, and argon,  which are only present in traces of percentages. And the gas that occurs as a result of photosynthesis is our answer, oxygen gas.

Hope I could help! :)



6 0
3 years ago
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Do all birds have feathers?
Luda [366]

Yes, all birds have feathers. About 9,700 kinds of birds live on earth. All birds have feathers and wings but not all birds can fly. Birds have as many as 25,000 feathers and they shed their feathers at least once a year.

8 0
3 years ago
If analogous structures are often examples of convergent evolution,what types of structures would likely be examples of divergen
ladessa [460]
The structures that would likely be examples of divergent evolution are the homologous structures. These are structures which share a similar structure and appear in different organisms and yet may vary in function. For example; Mammalian forelimbs are said to be homologous because they are all derived from a vertebrate forelimb.
7 0
3 years ago
When an atom that has no change loses two electrons, it becomes a ?
densk [106]

Question: When an atom that has no charge loses two electrons, it becomes a:

A: positive ion.

B: negative ion.

C: positive isotope.

D: negative isotope.

Answer:

When an atom that has no change loses two electrons, it becomes "positive ion".

Explanation:

It is known that electrons hold a negative charge. So, when the negative charge that is electrons are taken out an atom then the number of electrons become less in number as compared to the number of protons. Hence, the atom attains a positive charge.An isotope is formed when an atom shows same number of protons and different number of neutrons. So, when an atom loses 2 electrons there will be no change in the number of neutrons. Therefore, an isotope will not form.Thus, it is concluded that when an atom with no charge loses two electrons, it becomes a positive ion.

8 0
3 years ago
What is the main energy source that drives global climate?
RSB [31]
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5 0
4 years ago
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