Infectious agents, such as viruses, bacteria, and fungi, can all
A.
cause disease.
B.
live for long periods of time outside of a host.
C.
infect nonliving matter.
D.
all of these

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.