Which statement best describes the message of the monroe doctrine?

a.
the united states would expand its territory wherever it wanted.

b.
the united states would not allow european nations to form new colonies in the americas.

c.
the united states was the most militarily advanced country on earth.

d.
the united states would go to war with britain to stop impressment.

There are 25 elements found in living things. how many of these elements are found in some organisms but not all? 1 , 6 , 19 , 25

For 50 pointsfredrika's science teacher asked her to bring in three abiotic items from her backyard ecosystem. which of the following groups of items should she bring? a. a lightning bug, a plug of grass, and a wormb. a smooth rock, some red dirt, and an empty bird's nestc. a ladybug, a spider, and some water from a mud puddled. a caterpillar, a pine cone, and a piece of a robin's egg

The biggest component / ingredient of summer time smog is