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pogonyaev
3 years ago
10

In what eon did single-celled organisms appear?

Chemistry
1 answer:
fomenos3 years ago
4 0
Archean is what I think but there isn’t a clear answer
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Select all that apply.
Ilya [14]
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5 0
3 years ago
Read 2 more answers
Which of the following is a strong acid?
4vir4ik [10]

H2SO4 is referred to as a strong acid and is denoted as option A.

<h3>What is an Acid?</h3>

This refers to any substance which tastes sour when in water and changes the color of blue litmus paper to red. It is usually very corrosive and are used in industries for different functions.

H2SO4 is referred to as a strong acid because it dissociates completely in its aqueous solution or water.

Read more about Acid here brainly.com/question/25148363

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3 0
2 years ago
Which of these is true for natural selection but not artificial selection?
ElenaW [278]
Can you show a picture so I can help??? :)
8 0
2 years ago
(Direct answer=Upvote cause I aint smart xD)
Vedmedyk [2.9K]
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5 0
3 years ago
Chemistry is: a) the mystical search for the elixir of life. b) speculation about the nature of matter. c) the study of matter a
Yuki888 [10]

Answer:

c) the study of matter and the changes it undergoes

Explanation:

Chemistry -

It is the sub topic of science , dealing with the study of matter , the properties of matter , the type of interaction between the particles of matter , the reason for the particle of matter to combine and separate in order to form new substance .

The basic concepts of chemistry are applicable on the day to day activities.

Hence, from the given options , the correct statement is c) the study of matter and the changes it undergoes.

7 0
3 years ago
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