Answer:
tar
Explanation:
tar is the reason your lungs go black because it is evaporated into the smoke that you breathe in and is known to be the most known cause of cancer
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:
Chemotherapy
Explanation:
Chemotherapy is a powerful cancer treatment. The effects of chemotherapy on healthly cells are devastating and can cause them to die. Healthy cells can repair and reproduce, thanks to mitosis and cytokinesis, after treatment, but due to the effects of chemotherapy on healthy cells majority of the time chemotherapy is done on an arterial line that is going straight to the tumor to reduce the effects of chemo on healthy cells. Hope this helps
Answer:
Chlamydia Is Caused by Sexually Transmitted Bacteria.
Young Sexually Active Women Are Most Susceptible.
Chlamydia Is Only Contagious From Person to Person.
Symptoms Can Differ for Men and Women.
Chlamydia Infection May Have Long-Term Health Consequences.
A Woman Can Pass Chlamydia on to Her Newborn During Childbirth.
Travelers maybe? Visitors
