Answer:
Create an air gap to prevent backflow.
Explanation:
An air gap prevents contamination of the water because it creates a space between the water outlet and a contaminated source. So, if there is, for example, a decrease in the pressure that pumps the water to the faucet, the water the air gap will prevent the contamination of potable water and the cause of different illnesses.
Answer:
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Answer:
b. insertion of a cannula into the external iliac vein
Explanation:
A saphenous cutdown refers to a skin incision associated with insertion of a cannula into the external iliac vein.
It is a more invasive method of exposing the saphenous vein. A cut is made into the skin which is not very deep. A part of vein is exposed which is then cut out for the insertion of cannula. It does not stop the flow of blood, instead it just changes the course. It is also known as the circulatory blood flow.
Answer:
The human hair color is controlled by more than one gene. In this case, hair color is a polygenic trait, which exhibits polygenic inheritance. There are individuals who inherit different combinations of alleles that are responsible for hair colors.
Explanation:
PLeAsE gIvE mE BRaNiLiEsT :) HaVe a GoOd dAy!
Having positive feedback about your good deeds or accomplishments, even the little things, is a good boost of confidence.
