Aquestion about a moral issue
a) is answered by examining facts rather than opinions.
b) is generally considered a scientific question.
c) cannot be answered with scientific methods.
d) cannot be debated through discussion.

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

One function of the immune system is to attack the foreign cells to protect the body. in organ translate , the body recongnizes that the new organ is made of foreign cells. wha kind of medicine would you give a patient to increase the chances of transplate success

How many copies of genes do gametes have?