Plss due today! Will mark 1. Describe capillary action and give an example.

2. What is density?

3. What types of substance have pH values less than 7?

4. Give an example of a substance with a high concentration of H+ ions.

5. Give an example of a substance with a low concentration of H+ ions.

6. What is specific heat?

7. Does water have a high specific heat? What does this mean?

1 capillary action is the ability of a liquid to flow in a narrow spaces without the assistance of or even in opposition to external forces like gravity example is
Water

2 the degree of compactness of a substance

3 they r acidic

4 Acidic

5 base
6 raise the temperature of a body one degree to that required to raise the temperature of an equal mass of water one degree.

7 yes it has n meaning it takes more energy to increase the temperature of water compared to other substances.

Humans can affect weathering and erosion in several ways.  humans cause  increases in acid rain and pollution, which increase the amount of  weathering  agents in the air and water, and then on land.for an easy answer: 1) acid rain2) pollution