How are vaccines effective in preventing viral infections? what can be done if an infection has already occurred

What adaptations can prey use to avoid predation

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

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.