This is an example of a physiological mechanism. A physiological mechanism is <u>an automatic mechanism that governs our body using our bodily organs to stay alive and functioning</u>. Other examples of physiological mechanisms include those we use for sleeping and regulate body temperature.
Answer:
A. Nuclear fusion
Explanation:
The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom.
Answer:
A they are expanding away from us faster than the light can travel
Explanation:
good luck
I'd say the answer to this queston is smog