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Gala2k [10]
2 years ago
8

Which is the best way to help earth’s water supply last for future generations?

Biology
1 answer:
laiz [17]2 years ago
8 0
The best way to help earth’s water supply last for future generations is to make <span>factories recycle water.</span>
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Which of the following are compounds?
n200080 [17]

Answer:

O H20 and CH4, but not O2

Explanation:

Compounds consist of multiple elements. O2 is just two oxygen atoms, meaning two atoms from the same element.

7 0
3 years ago
Juanita sticks a nail to the end of a bar magnet. She then sticks a second nail to the first, then another to that one, and so o
Andreas93 [3]

Answer – The force of gravity is stronger than the force of magnetism.

 

The attractive force of magnetism is the force that keeps the nails joined to one another and to the end of a bar magnet while the force of gravity is the force acting to pull the nails to the ground. If when Juanita sticks the seventh nail, it falls off the sixth nail, it means that the force of gravity acting on the seventh nail is stronger than the force of magnetism acting on it.

8 0
2 years ago
Read 2 more answers
A rock sample has a mass of 16 grams and a volume of 8 cubic centimeters. When the rock is cut in half, what is the volume and d
spayn [35]

Answer:

Volume= 4 cm³

Density= 2 g/cm³

Explanation:

We have the following data:

volume= V= 8 cm³

mass= m= 16 g

The density is the mass per volume of a substance, so the density of the rock is:

density= d= 16 g/8 cm³= 2 g/cm³

When we cut the rock in half, we have a half volume and a half mass:

V= 8 cm³/2= 4 cm³

m= 16 g/2= 8 g

But the density is not altered because it is an intrisic property - it does not change with the amount of subtance. Thus, the density of a half rock is:

d = m/V= 8 g/4 cm³= 2 g/cm³

6 0
2 years ago
How are cell structures adapted to their functions
hjlf
Differentiation is the way they adapt to their functions
8 0
2 years ago
Which best compares the temperatures of the substances?
Vikki [24]

Answer:

A.

Substance X has the highest temperature because its particles have more kinetic energy.

5 0
3 years ago
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