The answer is B because if you recross them you get the same answer Rr and rr so the correct answer is B
The plant population would grow out of control
Answer:
An underground cavern collapsed
Explanation:
I did research
In an experiment, these should be only one independent variable. It is the one that doesn't change, whereas you manipulate the dependent variable to test your hypothesis.
Answer: Activation Energy
Explanation:Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.