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Grace [21]
3 years ago
12

Which of the following is NOT a reason why index fossils are chosen for determining ages of rocks? Select all that apply.

Chemistry
1 answer:
Anarel [89]3 years ago
5 0

Answer:

Lol

Explanation:

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which of the following substances is least able to cross the blood-brain barrier.)a. waterb. sodium ionsc glucosed. white blood
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