Most microorganisms that are found in and on humans do not cause harm and can sometimes benefit the host. true false

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

What is the inability of an individual or a society to achieve a minimum standard of living known as ?