Answer:
They heat up and they stay the same I believe, my teacher helped me with it so its heat up and stay the same or move. Something like that.
Explanation:
A hypothesis can become A. a scientific theory if it is supported by repeated experimentation.
Answer:
There are four categories for air masses: arctic, tropical, polar and equatorial. Arctic air masses form in the Arctic region and are very cold.
Answer:
An artificial heart is a prosthetic device that is implanted into the body to replace the original biological heart. It is distinct from a cardiac pump, which is an external device used to provide the functions of both the heart and the lungs. Thus, the cardiac pump need not be connected to both blood circuits.
Explanation:
