How are convection currents related to plate tectonics?

Which type of neuroglia is found outside of the brain?

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?

Which example describes a mutualistic relationship between organisms? young wasps prey on caterpillars. crabs eat the remains of dead fish. tapeworms feed on food in the intestines of cats ants protect a tree on which they feed.