Quais são as características comuns entre os oligoquetos e os poliquetos?

b. the carbon cycle ensures living things have a source of hydrogen

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

the answer is c.) there is a warm front in region a and a stationary front in region b.

is this for the e2020 class