If no oxygen was provided from the outside should oxygen level increase or decrease as time goes on when in a plant is in the dark?

Decrease

Explanation:

When a plant is in the dark it will not photosynthesize, but it will continue to respire. During respiration, a plant will break down sugar, consume oxygen and produce CO2, just like animals do. Therefore oxygen level should decrease.

c

explanation:

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: