Answer:
1. It can transfer energy through empty space.
Explanation:
Mass of 10 cc of gas is 10×0.05=0.5g.
The effect of a neurotransmitter is based on the properties of the receptor more than the neurotransmitter.
I think Option (3)
The arms mostly contains old blue and blue-white stars
Explanation:
Spiral arms are the regions in stars extending from the middle of spiral galaxies and the barred spiral. Those long, thin areas look like a spiral and therefore give their name to spiral galaxies.
Spiral arms, though, include many young, blue stars, that render their arms so bright (due to the high mass density and the fast stellar forming rates).
Air and water create energy for a plant
