What is a virus?

(Also I hope you have a good day!)

Which strategy is an example of how companies may upgrade themselves to meet changing customer preferences? a. doing door-to-door sellingb. using billboards to advertise the productsc. making online shopping services availabled. giving discounts on products

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

If animal agriculture was eliminated, how much grain would become available for human consumption?