Answer:
A: Helium or Hydrogen
Explanation:
Terrestrial planets are the 4 inner most planets of the solar system which are mercury, venus, earth, Mars, while the giant planets are the 4 outer most which are Jupiter, Saturn, Uranus and Neptune.
Now, these outer most ones are the surface ones and are surrounded primarily by layers of hydrogen and helium gases.
Answer:
Positive: Save fuel and reduces greenhouse gas
Negative: Harmful to human and animal health ( underwater animals), Hurts the food chain
Explanation:
I got it from a video. Hopefully it helps you.
Answer:
the answer is A
Explanation:
because abiotic things are non-living things
Answer:
1. 7 , 2. 0 crackers, 6 choc pieces and 1 marshmallow
Explanatio
It is a poly atomic anion because it has more than one atom and a negative charge
