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katrin [286]
2 years ago
14

What is a supercontinent? please help me!

Chemistry
1 answer:
oee [108]2 years ago
7 0

Answer:

earth land assembling together to form single large landmass

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Most animals that live in soil live in the _______ layer.
labwork [276]

Answer:

Living organisms present in soil include archaea, bacteria, actinomycetes, fungi, algae, protozoa, and a wide variety of larger soil fauna, including springtails, mites, nematodes, earthworms, ants, insects that spend all or part of their life underground, and larger organisms such as burrowing rodents.

Explanation:

8 0
3 years ago
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For the following reaction, C6H12O6 and O2 are the
erastovalidia [21]
Thats burning of glucose as fuel in the cells. It generates heat and is an exothermic reaction.  In Mitochondria, which act as furnaces, the fuel helps generate heat for the cells of the body.
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Question is <br> P2O5 a ionic or covalent bond, its covalent right?
melisa1 [442]
Yes it is ========== covalent bond
5 0
2 years ago
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Copper has average atomic mass of 63.546 amu. It's two isotopes are Cu-63 (which is 69.17% abundant and has a mass of 62.9296 am
garri49 [273]

Answer: 69.152% → 63^Cu

30.848% → 65^Cu

Explanation:

As you know, the average atomic mass of an element is determined by taking the weighted average of the atomic masses of its naturally occurring isotopes.

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6 0
2 years ago
How many moles of oxygen are in 8.24 moles Mg(NO3)2
malfutka [58]

Answer:

49.4 mol Oxygen

Explanation:

Mg(NO3)2   ----- 6 O

1 mol                   6 mol

8.24 mol             x mol

x = 8.24*6/1 = 49.44 mol ≈ 49.4 mol Oxygen

5 0
3 years ago
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