3 ways in which organs of the circulatory and respiratory system are protected

Witch type of microscope is used to view very small cell components like proteins and dna?

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.