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drek231 [11]
3 years ago
12

What human activities have change earth

Chemistry
1 answer:
amm18123 years ago
4 0

Answer:

Releasing more carbondioxide

methane and nitrous oxide have caused much of the observed increase in Earth's temperatures over the past 50 years.

Explanation:

brainliest?

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uranmaximum [27]

Answer: 1. A, 2.B, 3. D, 4. B, 5. C

Explanation:

i have P.E. too lol have a great day!

5 0
3 years ago
Below are shown, for five metals, reduction reactions and standard electrode potential values. which of these metals is the leas
just olya [345]
Above question is incomplete. Complete question is attached below
........................................................................................................................
Solution:
Reduction potential of metal ions are provided below. Higher the value to reduction potential, greater is the tendency of metal to remain in reduced state.

In present case, reduction potential of Au is maximum, hence it is least prone to undergo oxidation. Hence, it is least reactive.

On other hand, reduction potential of Na is minimum, hence it is most prone to undergo oxidation. Hence, it is most reactive. 


7 0
3 years ago
When the disk of the moon masks the disk of the sun, it creates a _________ eclipse.
Dvinal [7]
When the disk of the moon mask the the disk of the sun,it creates a (solar) eclipse.
4 0
3 years ago
Read 2 more answers
Which process will change a substance chemically? A. boiling B. melting C. burning D. evaporating
marshall27 [118]
The answer is B. boiling
4 0
3 years ago
Which molecule is nonpolar and has a symmetrical shape hcl?
Alchen [17]
HCl is considered as polar molecule and that is incorrect answer, The choices provided are A) HCl , B) CH₄ , C) H₂O, D) NH₃

And the correct answer is : B) CH₄

In case of H₂O and NH₃ the high difference in electronegativity between nitrogen or oxygen and hydrogen make the bonds acquire partial charges and become polar while in case of CH₄ the difference in electronegativity between carbon and hydrogen is only 0.4 so it considered as non-polar bond
also carbon connected from all directions with Hydrogens

4 0
3 years ago
Read 2 more answers
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