Answer:six tryangles to four circle
Explanation:yiu would say it just As it is
Answer:
B
Explanation:
If the concentration is increased, there are more particles to collide with each other, increasing the rate of the reaction.
<span>A population of the frogs that do not receive the UV radiation would work as a good control group. In this case, since the impact of the radiation is the variable under study, a group that receives no radiation, and thereby should not exhibit a change, would be a control group that could be compared against the frogs that do receive the radiation.</span>