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Reika [66]
3 years ago
9

How does the amount of uranium in zircon tell us how old the crystal is?

Biology
1 answer:
Aleks04 [339]3 years ago
5 0
Uranium- lead which is the oldest & one of the most <span>refined of the </span>radiometric dating<span> schemes</span>
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Zielflug [23.3K]

Absolute dating can be determined by tree ring patterns.

 

<span>Dendrochronology or </span>tree-ring<span> <span>dating, is the scientific method of dating based on the analysis of patterns of </span></span>tree rings, also known as growth rings

 

The correct answer between all the choices given is the first choice or letter A. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

5 0
3 years ago
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While walking in the forest, your friend observed a small animal crawling on a tree. The animal had a rigid body with three body
Neporo4naja [7]

Answer:

The most likely preferable option will be - A.

A. Insects.

Explanation:

The basic features of insects -

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  2. Insects have a body with three segments: head, thorax, and abdomen.
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7 0
3 years ago
Why is a DNA molecule called a double helix?
krok68 [10]

Answer:

A

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Answer:

White shark bites, parasites, food availability, habitat degradation are among some of the contributing factors threatening the recovery of the species. The greatest threat to a sea otter is the oil spills.

Hope this helps!

Extra - Fun fact - Sea otters play a vital role in the health and stability of the nearshore marine ecosystem as a keystone species.

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