I think 1) B I don't know what 2 is but it isn't A or B it is between C or D
Answer:
Physical digestion prepares the food for chemical digestion.
Coniferous trees because they can stay green all year long. Taiga biome are usually cold and coniferous trees never lose it’s color or leaves.
Nitrogen and Oxygen make up the greatest percentage of the atmosphere.
Hope I helped love! <3
