Which of the following is the best definition of public goods"?
a
none of these are good definitions
b
things (or actions) that are good for the group, but that are
inconvenient, expensive, or even dangerous for an individual to
provide
c
goods and services available to the public at very low cost
d
whatever is good for the group as a whole.

D. what is good for the group as a whole

Explanation:

There are many variations of the definition of public goods, but this, I think, is the best answer. Even though, there is actually no "best" definition.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

i think that it is c, d, and e, hope this