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Lisa [10]
3 years ago
13

Which of the following is not one of the three major structures of coral reefs?

Biology
2 answers:
alexandr402 [8]3 years ago
8 0

If you don't want to read the answer is A

Sergio039 [100]3 years ago
6 0
<span>A planulae is not one of the three major structures of coral reefs as it is one of the stages in the life cycle of a jellyfish known as the free swimming larvae stage. Coral reef structures are made up of fringing reefs that grow directly from the shore, atoll reefs that grow upward usually in a lagoon, and barrier reefs are separated from the land and shore by open water.</span>
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Answer:

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Which of the following terms is used to describe a process that occurs when still pictures are projected in rapid succession, cr
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What percent of iodine has decayed if 5 half lives have passed?
goldfiish [28.3K]

Hello!

A half-life is the amount of time it takes half of an element to decay. For example, after one of carbon's half-life, half of carbon would've decayed.

Now, we can calculate how much has decayed if 5 half lives have passed.

1 -> 50% (1) -> 25% (2) -> 12.5% (3) -> 6.25% (4) -> 3.125% (5)

Therefore, there would be 3.125% left of iodine. However, your question is asking what percent has decayed. Therefore, subtract 3.125 from 100% to get your final answer.

100 - 3.125 = 96.875

Therefore, your final answer is 96.875% of iodine has decayed if 5 half lives have passed.

Hope this helps!

3 0
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Why? - The herd is led by the oldest and often largest female in the herd, called a matriarch. They live in herds so that the young elephants stay safe from predators.
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