PLEASE HELPP THIS IS A TEST

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

Which is the function of the hypothalamus in thermoregulation? answers: -sensor -effector -stimulus -intergrating center it's either a or c i believe

Just a quick question. will give pointswhat is the root word of "blood."it is written in my homework as hemat(o) : blood.so, should i write that the root word as hemat or hemato or hemat(o). i'm really confused.