Density-dependent factors . include the effects of a hard freeze on a single species within a communityb. include the effects of a hard freeze on an entire communityc. cause decreases in the number of species in an ecosystemd. include the effects of disease, predators and food on a single species within a communitye. include the effects of rainfall on an entire community

d. include the effects of disease, predators and food on a single species within a community

Explanation:

So-called density-dependent factors are those that prevent excessive population growth due to the large number of individuals in a given population: disputes over space, food, sexual partner eventually lead to decreased reproductive rate and increased mortality. Density-dependent factors may also be considered to be the effects of disease, predators and food on a single species within a community.

the 5th amendment is about the justice system

explanation:

there is no double jeopardy

due process

grand jury

and that you can’t incriminate yourself

what is the tax base for the sales tax?

it should be (usually ) 6%