Aerial roots perform a number of functions unlike the usual functions performed by roots stationed on soils. They help with air exchange, propagation, stability and nourishment. In many cases, aerial roots can be removed without harm to the plant
<span>After immunizations, the weakened vaccine viruses or bacteria replicate (grow) in the vaccinated person. This means a relatively small dose of virus or bacteria can be given in order to stimulate an immune response.</span>
Answer:
the student is incorrect.
Explanation:
a chemical reaction is defined as: changes in one or more substances caused by a reaction, that <u>form new and different substances.</u> Smoke coming out of a car would not really be classified as turning into a new substance, the smoke is still smoke.
My best explanation is
Some cancer is in blood and tissue and doesn’t form a tumor, such as leukemia. Therefore a usage of “chemotherapy” is needed.
Sorry if this isn’t a good explanation
