What happens to a virus that manages to cross the blood-brain barrier and enter the brain? ?

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world

What is the ecological role of food chains and food webs

Make a claim about the factors that cause inherited genetic variations within populations. also make a claim about the effects of mutations.