D. He controlled variables by studying one or two traits at a time
Answer:
When it stands the test of time and is supported by many experiments.
Answer:
Nucleic acid would be responsible.
Explanation:
Chewing bread, tearing paper, breaking rocks
Answer:
With the right environment (water, soil, temperature, sunlight), the plant will come from it's shell and begin to grow. As the plant begins to strengthen and grow, it will no longer need the nutrients that the seed provides as it will get it from the soil and grow into the plant it is supposed to
