2 because if you do a punnett square it shows the answer
Answer:
manure and chemical fertilizers
Explanation:
Ploynucleotide, which would have have similar methods for storing and transmitting genetic information to Earth.
An _observation_ is taken using the senses
Answer:
Diffusion expends no energy. Rather the different concentrations of materials in different areas are a form of potential energy, and diffusion is the dissipation of that potential energy as materials move down their concentration gradients, from high to low.
Explanation: