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Doss [256]
4 years ago
7

Scientific theories are usually

Chemistry
2 answers:
Mama L [17]4 years ago
5 0

Answer:

B.

Explanation:

A scientific theory is a broad explanation that is widely accepted because it is supported by a great deal of evidence. Because it is so well supported, a scientific theory has a very good chance of being a correct explanation for events in nature. Because it is a broad explanation, it can explain many observations and pieces of evidence. In other words, it can help connect and make sense of many phenomena in the natural world.

jasenka [17]4 years ago
4 0

Answer:

B

Explanation:

Cuz they are supported once discovered and then widely spread then accepted

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Part of molten rock at mid-ocean ridges
erastovalidia [21]

Answer:

Magma

Explanation:

Magma is part of molten rock at mid-ocean ridges.

Hope this helps!

4 0
3 years ago
How many neutrons make up one of these potassium atoms?
Doss [256]
Potassium has twenty neutrons
6 0
3 years ago
Read 2 more answers
"Do you own a dog?" might be an example of which concept?
Anna11 [10]

C: Control Question

Have a good day :)

6 0
3 years ago
In which type of atom would radioactive decay most likely occur?
Natali5045456 [20]

Answer:

4

Explanation:

7 0
3 years ago
10. What is the atmospheric pressure if the partial pressures of nitrogen, oxygen, and
sashaice [31]

Answer:

1.009 atm is the total pressure for the mixture

Explanation:

To determine the total pressure in atm, of the three gases (N₂, O₂ and Ar) we have to sum all the values.

Sum of partial pressures in a mixture = Total pressure

First of all, we need to convert the values from mmHg to atm

604.5 mmHg . 1atm / 760 mmHg = 0.795 atm

162.8 mmHg . 1atm / 760 mmHg = 0.213 atm

0.500 mmHg . 1atm / 760 mmHg = 6.58×10⁻⁴ atm

Partial pressure N₂ + Partial pressure O₂ + Partial pressure Ar = Total P

0.795 atm + 0.213 atm + 6.58×10⁻⁴ atm = 1.009 atm

7 0
4 years ago
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