Which of the following can microorganisms do when living on or inside a larger organism's body?
I. protect the body from infection
II. cause disease
III. aid digestion
IV. make vitamins
V. create tooth cavities
A.
I, II, III, IV, and V
B.
ll and V only
c.
II, III, and V only
D.
II, Ill, and IV only

Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove

How does human environment effect the biosphere

What is the primary function of the nervous system?