Answer:It is because he did not know that plants absorb mineral elements from the soil and carbon dioxide from the air.
Explanation:
Answer:D) The starch adapted flies and maltose adapted flies are not different species but a reproductive barrier is forming between the two populations
Explanation: differences have accumulated within the populations to isolate them reproductively. The flies have chosen to mate with those like them.
The answer is a Nonpolar covalent bond. Hope this Helps:)))
