<span>Why are phytoplankton are essential ??
As they form the basis of the marine food chain. <span>Phytoplankton is the main food source for everything from microscopic organisms to whales.</span></span>
A non-sexual method can be by blood transfusion. If you take blood from someone who has HIV and use it on yourself you will get HIV. Same goes for injecting spinal fluid or any other bodily fluid. You cannot however transmit it by shaking hands with someone, or by sharing the toilet with someone or anything similar.
Assessing evaluating devising deliberating.