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antiseptic1488 [7]
3 years ago
10

Which statement gives a reason why scientist think that the universe began with an explosion

Chemistry
1 answer:
yaroslaw [1]3 years ago
8 0

I believe the answer is

At the moment it is the best way of explaining our scientific knowledge.


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According to Newton’s second law of motion, when an object is acted on by an unbalanced force, how will that object respond? It
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C) It will accelerate.  

Explanation:

According to Newton’s second law of motion, when an object is acted on by an unbalanced force, it will accelerate.

An unbalanced force will change the speed or direction (or both) of an object. A change in speed and/or direction is acceleration.

A) is wrong. The object will stop moving only if there is a balanced force in the opposite direction.

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The atomic number tells us how many __ or __ an element contains.
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Answer:-
Electrons or Protons

Explanation:-
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>>“The total number of protons in the nucleus or electrons revolving around the nucleus of an atom”.
Example:
For instance, Hydrogen has the Atomic number(Z) 1.
Helium has the atomic number 2.
Oxygen has the atomic number 8.
| Note | Atomic number is represented by “Z”. And some ppl don’t consider the 2nd definition it’s upto u to do both or the standard one.

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What is the mass of 25 Liters of nitrogen dioxide gas?
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cacfat lebron

Explanation:

mruno bars is the wae

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coileach

coileach

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3 years ago
Explain why it is important for cells to exchange materials.
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they need the exchange so they can grow, obtain energy, and get rid of waste. It also helps to mantian a balance of amterials in the cell.

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