Answer:
The answer is d.
Explanation:
The increase in greenhouse gases can cause climate change and an increase in the global temperature.
To regulate signal transduction pathways? These molecules can directly convert extracellular signals into intracellular signals. .
When the fossil fuels are burned they produce energy and give of harmful gas
Answer:
Metaphase.
Explanation:
In the metaphase, chromosomes are at their second-most stage of condensing. Chromosomes align at the center and prepare to split into two different cells.