Answer:
Biofuels, Natural Gas, Wave Energy, etc.
Explanation:
what is it? Alternative energy sources is any energy sources that is alternative to fossil fuels
Answer:
Mid ocean ridge
Explanation:
They are formed under water and there movement is generally up an out. I hope you get it right!
Renal artery because it branches out of the abdominal aorta and inferior vena cava
Answer:
The answer is "frequency with which they are activated".
Explanation:
Frequency refers to the number of consecutive repetitive events per unit time. It is measured in hertz (Hz), equivalent to a single event per second. The time is the number of one cycle in a recurrent event, and so the duration is the same for the frequency, hence the frequency at which they are triggered is a key determinant of the brain's connections to be eliminated and maintained.
It will be the year of 2018