Which statement is correct? a
Electrons emit light when they fall back down into lower energy levels
b
Electrons never emit light.
c
Electrons emit light when they move up into higher energy levels.
d
Electrons emit light at all times.

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

a electronegativity decreases beacuse the size of nucleus is bigger.

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

answer: i dont know the answer but this might

explanation:

l