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Eduardwww [97]
3 years ago
13

Which two characteristics describe all animals

Chemistry
1 answer:
Maru [420]3 years ago
5 0

All animals can be dangerous and they would fight for their family. (This might be wrong)

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A blank is scientific knowledge established through direct observation and remains constant. Scientific knowledge can change whe
KIM [24]

The words that complete the blanks are hypothesis and experimentation.

<h3>What is scientific knowledge?</h3>

The process by which scientists obtain information and establish knowledge is;

Observation ---> hypothesis ------> experiments ------> Theory -------> Law.

Thus after the process of observation what we have is merely a scientific hypothesis that needs to pass through the process of rigorous experimentation before it is proven to be true.

Thus the words that complete the blanks are hypothesis and experimentation.

Learn more about scientific knowledge:brainly.com/question/10601194

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4 0
2 years ago
Can two (or more) types of matter occupy the same space at the same time?
frez [133]

The general properties of matter result from its relationship with mass and space. ... Because it occupies space, all matter has volume and impenetrability, since two objects cannot occupy the same space simultaneously.

8 0
3 years ago
Most minerals are _______ at room temperature.<br><br> solid<br> gas<br> liquid
Tomtit [17]

Answer:

solid

Explanation:

4 0
3 years ago
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The energy of moving atoms is
balandron [24]

The answer is Thermal Energy :)

4 0
3 years ago
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Lime is added to a lake to neutralize the effects of acid rain. The pH value of the
OverLord2011 [107]

Answer:

The change in concentration of H+ ions is -9.99×10⁻⁵

Explanation:

When pH rises, we talk about neutralization and, there is a decline in proton's concentration.

pH lower than 7 is acid

pH higher than 7 is basic

Protons are neutralized by hydroxides to make water as this:

H₃O⁺   +  OH⁻  ⇄   H₂O

pH = - log [H₃O⁺]

[H₃O⁺] = 10^-pH

In conclussion: [H₃O⁺]₁ = 10⁻⁴ → 1×10⁻⁴

[H₃O⁺]₂ = 10⁻⁷ → 1×10⁻⁷

1×10⁻⁷- 1×10⁻⁴

The change in concentration of H+ ions is -9.99×10⁻⁵

4 0
3 years ago
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