Multiple sclerosis is a debilitating autoimmune disease that results in the loss of the insulation around neuron axons. what cell type is the immune system attacking, and how does this disrupt the transfer of messages by the nervous system?

If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below