This biotic factor in the photograph characterizes which ecosystem?

Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

Asimple electrochemical cell contains two electrodes.