<span>Humans have an endoskeleton, whereas insects have exoskeletons.</span>
Answer:
False
Explanation:
During exercise, the oxygen DOES NOT concentration in the blood increases to twice that of resting levels.
Answer:
False
Explanation:
drugs like coccaine and marijuana without medical reasons are illegal in many states
Taxpayers can often get a tax refund on their income tax if the tax they owe is less than the sum of the total amount of the withholding taxes. So they can get a higher tax refund if they owe less.
