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?

When ash and dust begin to settle on the ground, they eventually become compacted by

Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false

The diagram below shows the layers of a rock having a trilobite: a rock column labeled rock is shown. the column has three layers. the bottommost layer of the rock has one shaded rhomboid shape, the middle layer has a rhombus with a diagonal along with two identical organisms marked as, trilobite, in the key, the top layer has two semicircles. a key is shown on the right side of the diagram. the shaded rhombus is marked as a, the rhombus with the diagonal is marked as b, the semicircle is marked as c which statement about the rock fossils is true?