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Andrej [43]
2 years ago
8

Please Help!!!!

Biology
1 answer:
Alenkasestr [34]2 years ago
4 0

Answer:

1 and 3

Explanation:

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The earths core is made up mainly of what 2 substances?
OLga [1]

The two substances are rock (molten and solid) and metal (solid + liquid).

Layers of the earth from the outside in:

1. crust. hard rock/dirt/ground. Shell

2. mantle. melted rock and stuff. Egg white

3. core. Outer core - liquid. Inner core- solid. Nickle and iron. Yolk

3 0
3 years ago
If it takes 98.8 kcals to break one C--H found in an organic molecule, how many kcals does it take
steposvetlana [31]

395.2kcal

Explanation:

Given parameters:

Energy required to break one C-H bond = 98.8kcals

Unknown:

Energy required to break methane = ?

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The bond dissociation energy is the heat energy absorbed in breaking a covalent bond in the gas phase to its constituents elements.

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To break 1 C-H bond, 98.8kcals of energy was used,

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8 0
3 years ago
Please answer the question below.
Nataliya [291]
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5 0
2 years ago
The type of inheritance that involves the partial expression of two different<br> alleles is called
belka [17]

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3 years ago
What multicellular forms of life evolved from the early single-celled organisms
natali 33 [55]
Humans is he answer
4 0
2 years ago
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