Answer:
1,3,4
Explanation:
They are all correct because of what they say
Soil and rocks maybe. not too sure.
Answer:
The answer is ectoderm. The mesoderm is the middle layer of lining. The endoderm is the innermost layer. You can remember it by:
Endo/ sounds like inner
Meso/ M for middle
Ecto/ sounds like exo, bugs have exoskeletons that are on the outside.
Explanation: