Where are extrusive igneous rocks typically found?

they are found in the surface of the earth where the lava is.

Explanation:

I think B., a riverbed.

Explanation: They will not be found underground, that is intrusive. They are also found near water, so I guess B.

i have to report this, it doesn't relate to biology

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.