Ecological succession is valuable to understand because it can change the biodiversity within an ecological community being able begin able to teach a topic to a peer can demonstrate mastery explain the sequence of events that occur in the secondary succession as you go to a friend not yet learned about the process.

the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation:

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.

looks like the answer is     c     to me!