the answer is the beetle is neither harmed nor helped by the mite.
Answer: d. All the above
Fertilizers can be deterimental to the environment. Excess use of fertilizers will result in eutrophication in the water body. Water body being more enriched with nutrients will result in excessive growth of aquatic plants. This also result in algal bloom in which algae grows on the surface of water body because of this atmospheric oxygen not able to reach the aquatic plants, hence results in oxygen depletion.
Roosters don't lay eyes! :P
Covalent bonds are the strongest chemical bonds. They are chemical bonds in which electrons are shared between atoms.