What did Gregor Mendel use to discover the principles that rule heredity? Answer chooses
A. A Pea Plant

B. Pigeons

C. Photosynthesis

D. Pear Trees

How did the colonial army keep it self in the war during difficult year early years and what was the turning point of the war?

Select the correct answer. after months of heavy rains, a farmer noticed a steady drop in crop production. upon testing the farmland, it was found the soil was severely lacking nutrients. which of the following explains the loss of nutrients from the soil? a. drought b. drainage basin c. leaching d. water shedding

What was the motivation during slavery