The answer is C. If it's being controlled then the ones caring out the experiments are the head of it.
Answer:
The circulatory and respiratory systems absorb oxygen from the air and transfer it to all parts of the body while absorbing carbon dioxide from the body and releasing it into the air. When a person inhales, the lungs expand and fill with fresh air.
Explanation:
We therefore can calculate that the total energy the sun has to burn is around 1.3 x 1044 Joules. Dividing 3.8 x 1026 Watts (the rate at which the sun is giving off energy) into this number gives an approximate value of 10 billion years for the sun's lifetime.
Answer:
isotonic: two solutions having the same osmotic pressure across a semipermeable membrane
hypertonic: shrink. solution is one in which the concentration of solutes is greater inside the cell than outside of it
hypotonic: swell. solution is one where the concentration of solutes is greater outside the cell than inside it
Explanation: