Since a secondary source is a source written after an event has occurred, I want to say that the answer is A. Hope this helped!<span />
Tissues and organ systems.
here is the full chart:
cell --> tissue --> organ --> organ system --> organism
(think: group of [insert former here])
e.g. tissue=group of same cells
(et.al)
Answer:
1.Carbon is the basis of all living things
3.Nitrogen is found in certain foods
4.Oxygen and hydrogen combine with each other to form water
6.Carbon, oxygen, hydrogen, nitrogen, phosphorus and sulfur are found in organic compounds
Explanation:
Sun, ..soil water, climate .. green plants.. herbivorous animals.. carnivorous animals.. decomposers
Answer:
Explanation:
hope it is helpful to you
