Why are both relative and carbon dating important? Why can't we use only one type?

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602

"it built up in the atmosphere"

i think thats it, idk, i tried looking for this exact q& a for grad. and idk if i got this question right or sorry if im wrong