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diamong [38]
2 years ago
13

For the following problem use: It takes 100 years for half of the radioactive element

Biology
1 answer:
velikii [3]2 years ago
8 0

Answer:

12.375 billion years.

Explanation:

This is with my limited understanding of the game. :)

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What Earth science concept explains the process of the cooling of magma into porous rock? Explain your answer. plz answer correc
Zolol [24]
The concept would be crystallization. As magma cools inside or outside of the earth it crystallizes into an igneous rock. Intrusive (formed inside crust) igneous rocks are typically more course grained and contain many different noticeable minerals (for example, granite). Extrusive (formed outside) igneous rocks are typically more porous and are more fine grained then intrusive rocks (example, obsidian).
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True or false?, an Environment containing no calcium is the best for Brian shrimp egg hatching provide evidence in the form of o
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False, an environment containing no calcium is not the best for Brian shrimp egg hatching. The following evidence statements can be used to support our answer.

  1. Control shows 9 hatchlings after 72 hours whereas the treatment of 10mg/100ml concentration of calcium shows 17 hatchlings.
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3 years ago
All nutrients in biological systems are _________
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Pretty sure recycled
4 0
3 years ago
Jamie is a hairstylist who works in a salon. He noticed that when many of the stylists are blow drying hair the power goes out.
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Is it because there is to many bliw dryes plugged in
6 0
3 years ago
The red-legged frog breeds in ephemeral ponds from January through March. Its relative, the bullfrog, breeds in permanent ponds
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The red-legged frog breeds in ephemeral ponds from January through March. Its relative, the bullfrog, breeds in permanent ponds from late March through May. There are two pre-mating isolation mechanism at play here,

1. Ecological isolation: The habitats are different, hence the individuals of both the species do not meet. Ephemeral ponds are temporary ponds that develop during rainy days, while the permanent ponds are full of water throughout the year.

2. Temporal isolation: The time of mating is different for both the species to avoid contact between the individuals of closely related species. Red-legged frogs mate in January to March slot and the bullfrog in the March to May slot.

8 0
3 years ago
Read 2 more answers
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