Fungus: Important because it breaks up several dead leaves, particles, etc, and puts nutrients back in the ground.
Carnivores: eat dead animals, no stinky rotten meat around.
Gravity is lower on other planets. Some don't have atmosphere.
Answer:
rate=k×[C5H8]^n
k is the rate const.
when the rate is calculated using a few of the above data, (rate=change in concentration/time period) it can be observed that the rate is constant
therefore order of the reaction is 0