Someone pls help me I will make you

Explanation:

A: from zero to two seconds

B: from two to four seconds

C: from eight to ten seconds because the slope is more negative at this interval (the slope is more steep)

D: I think that you should show some more part of the question for me to answer this question. What dies it say above the graph?

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.