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Marrrta [24]
3 years ago
11

How do index fossils help scientist

Biology
2 answers:
Katena32 [7]3 years ago
7 0
Fossils are used to determine the ages of rock layers. Index fossils are the most useful for this.
Elena-2011 [213]3 years ago
4 0

Answer: C- They aid in comparison of rock layers at distant locations.

Explanation:

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2.) What clues were found to support that all animal life on land, once came from animals living in the ocean? ​
Eddi Din [679]

Answer: Fossils of fish are found under the land where cows now live. Fossils give clues about environmental changes where the organisms lived

Explanation:

7 0
3 years ago
After dna replication, how many double-stranded dna molecules exist?.
Lesechka [4]

Answer:

I believe the answer is 2. After DNA replication, there are two double-stranded DNA molecules.


I hope this helps.

7 0
2 years ago
Some one please help!! I am looking for a good short definition if possible:) What is a front?
xeze [42]

Answer:

The boundary between two air masses that have different temperatures or humidity. In the mid-latitude areas of the Earth, where warm tropical air meets cooler polar air, the systems of fronts define the weather and often cause precipitation to form.

Explanation:

Scientific definition for front

4 0
3 years ago
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Yuliya22 [10]
Brainless a part of the brain that provides wisdom from above not earthly wisdom
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3 years ago
What does the limbic system do? connects the brain and the spinal cord directs incoming sensory messages coordinates involuntary
Rashid [163]

registers feelings, such as fear and pleasure


5 0
3 years ago
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