Answer:
Active/passive transport
Explanation:
The cell membrane is semipermeable meaning that is only lets certain things in and out.
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Answer:
Sand is a solid
Explanation:
Sand has the ability to be poured like a liquid and take the shape of its container. It is still a solid, as each individual grain of sand has a shape of its own and keeps that shape
Answer:
The answer is A
Explanation:
The hydrosphere provides almost all the water at or near the earth's surface. It is important to the biological and geological processes as it is a continuous cycle of recycling water between the oceans and atmosphere.
Answer:
The lower the pH, the greater the acidity of a substance. so a very acidic pH level ranges from 1-3.
The higher the pH, the greater the basic a substance is. so a very basic pH level ranges from 11-14