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ratelena [41]
3 years ago
12

. Which of these is an example of a scientific observation? *

Chemistry
1 answer:
Yakvenalex [24]3 years ago
7 0

Answer:

D. The sun's light helps plants grow

Explanation:

This is a scientific observation, because it is describing the structure of a living thing.

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Why do atomic model has changed over time
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The model of the atom has dramatically changed over many many years.We learned atoms make up different substances and are the smallest particles of matter, which have subatomic particles that are very small portions of matter. At first scientist only thought there were electrons which are negatively charged.

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During the nuclear fission process, the transformation between a parent and daughter isotope involves a a release of neutrons an
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Answer:

The energy harnessed in nuclei is released in nuclear reactions. Fission is the splitting of a heavy nucleus into lighter nuclei and fusion is the combining of nuclei to form a bigger and heavier nucleus. The consequence of fission or fusion is the absorption or release of energy.

Introduction

7 0
2 years ago
What's wrong with this thermochemical equation?
mafiozo [28]

This thermochemical equation needs to be balanced. Hence, option B is correct.

<h3>What is a balanced chemical equation?</h3>

A balanced equation contains the same number of each type of atom on both the left and right sides of the reaction arrow.

The balanced thermochemical equation is:

H_2(g) + 2NaCl (s) + 3O_2 (g) → 2HCl (l) + 2Na (s) + 2O_3 (g)

Hence, option B is correct.

Learn more about the balanced chemical equation here:

brainly.com/question/8062886

#SPJ1

7 0
1 year ago
A testable question is one that _____.
cestrela7 [59]

Answer:

One that “Can be answered by conducting an experiment”

Explanation:

8 0
3 years ago
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Movement of electrons about a central nucleus is a concept by whom?
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The answer is bohr hope this helps :)
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