Answer:
2.
Explanation:
The movement of sediments from water (rivers) and wind (air) is basically what erosion is.
Answer:
option a
Explanation:
because When hydrogen is used to power a fuel cell, the only byproducts are water and heat—no pollutants or greenhouse gases are produced.
Answer:
The first bullet point is correct
Explanation:
The cell membrane controls what comes in and out of the cell, it needs minerals so would not block them completely, and water does not enter cells so it is clearly the first one.
Answer:
How traits/characters were passed down and inherited from parents to offspring.
The endocrine system is a collection of glands that regulate your metabolism, growth, sleep, mood and other things around your body.