Answer:
oxygen
Explanation:
its the only element needed
I think it might have been the elephant, which is letter b
Answer:
It can be characterized by the extreme heat or too much rainfall. Deforestation also degrades soil quality and is a major cause of the world's rapid desertification. Such weather patterns and environmental changes contribute to the plummeting of the agricultural production.
Explanation:
Answer:Insulin is a horome that your pancreas make to allow to use glucose
Explanation:
Really just cells ..
But not really just cells
An experiment or observation designed to minimize the effects of variables
