Answer:
At first, we should know their molecular formula and symbol. In case of element, symbols are written. But in case of compound, molecular formula is used. Also we should know their coefficient (number) to make the number of atoms either side equal.
Answer:
Community
Explanation:
It has two or more species within the same geographical area (Backyard) within the same time period.
D. is the correct answer. Hope this helps! :)
Answer:
To make food for the plant.
Explanation:
