Once Mendel did the F1 crosses with the Pea plants for various treats, the next step was the F to cross. What is the F2 cross A. True breeding for one form of the trait crossed with true breeding for the other form
B. When your self pollinate the offspring from the F1 cross and analyze the results
C. Can you put all the plants in a room and let them pollinate naturally
D. You pollinate the offspring from the F1 cross with wild plants

B

Explanation:

easy

explanation:

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.