The immune system helps guard against infection, protect from UV radiation, and regulate body temperature.
I think the answer would be pesticides... i see you selected it though. was that a wring answer?
Answer:
all 20
Explanation:
It is impossible to know how many individuals will have the disease at the end without knowing other factors such as the condition where the subjects are being held, trial specifications and safety measures, etc. Based on the information provided, the best prediction that can be made is that all 20 subjects will have the disease. This is because since none of them are immune the disease will spread between the patients/subjects through contact or testing equipment.
Viruses depend on the host cells that they infect to reproduce. When found outside of host cells, viruses exist as a protein coat etc.
true.
Answer:
The answer is Gas.
Explanation:
Gas flows freely because the particles are loose and has no restraints.
