Answer: Since nutrients are needed to build life tissues and carry out essential life functions, a limiting nutrient (scarce nutrient) will limit organisms' growth in an ecosystem.
Answer:
One reason, it causes global warming
Explanation:
It is a major source of carbon dioxide when it burns.Furthermore, the ash coal produces makes it impossible to get things clean.
They are homologous because they have similar structure regardless of purpose
The answer is A - stores genetic information I think