ben lives on the outskirts of town and does not have access to a public sanitary sewer system. ben
household. which system can ben use to do a wastewater treatment in his household?
o a.
septic system
b. lagoon
c.
pond
d. municipal wastewater treatment plant

septic system

Explanation:

A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater flows for basic treatment.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.