Match the following vocabulary words with the correct definitions. 1. to become a liquid or part of a liquid
emulsion
2. chemical which helps speed up reactions
enzyme
3. milky liquid with drops of fat or oil spread evenly throughout
voluntary
4. iron compound in red blood cells
hemoglobin
5. outer layer of cells
epidermis
6. done, made, or given by one own choice
dissolve

1 is Emulsion  2 is catalysts

im sorry if i dont 3 right because i never learned that one

4 is hemoglobin   5. is The epidermis is the thin outer layer of the skin

6 is im not sure what 6 is but i hope these 4 answer i gave helped

Explanation:     If you still need help with 3 and 6 i ahve someone to help you

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

b is the answer and if you need further with anything message me