Its a yes or no question and I think the answer is no
Answer: they are all correct so select all
Explanation:
bc i did it and bc i said so
Proteins are a type of Macromedia and is made up of sub units that are called amino acids.
Cover crops suppress weeds and reduce damage by diseases, insects and nematodes. Many cover crops effectively suppress weeds as: a smother crop that outcompetes weeds for water and nutrients. Residue or growing leaf canopy that blocks light, alters the frequency of light waves and changes soil surface temperature.