How did Mendel make the F1 generation for his experiments?

A.
He crossed two F2 generations.

B.
He crossed only round seed plants.

C.
He removed all the smooth seed plants.

D.
He crossed two pure lines.

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Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air

What are the responsibilities of the region of the brain highlighted below? =+= will rate brainiest =+=