That would be A.
All macromolecules are made up of C,O,H,N.
Answer:
1)Carbohydrates 2)Green plants make their own food. They use simple inorganic substances – carbon dioxide, water and minerals – from the air and soil.
Answer:
a) different types of animals and plants and the forest soil
Explanation:
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. Therefore, a scientist would need to include biodiversity when describing a forest's ecosytem.