Hydrogen isn’t one of the primary macronutrients
Answer: Orbit
Explanation: The Earth’s axis being in orbit means that the Earth is in different positions around the sun at different points in time, causing day and night.
Ocean currents can be generated by wind so I believe the answer is B
Answer:
Cells
Explanation:
As indivisible units of life, the cells of all organisms consist of four fundamental macromolecular components: nucleic acids, proteins, lipids and glycans. From the construction, modification and interaction of these components, the cell develops and functions.
<u><em>- Akito, Hope this helped :)</em></u>
Answer:
(a) energy source, either sunlight or chemicals
Explanation:
