Answer:
it depends which part of the us you are talking about - and by ecosystems do you mean biomes
Explanation:
the us have these following ecosystem
-taiga , hot deserts, cold deserts, tropical dry forests, temperate deciduous forests etc
<span>Ocean current circulations move warm water toward the poles and colder water toward the equator.</span>
<span>There are more than 550 active volcanoes in the world, almost all of which are located at convergent tectonic plate boundaries. From the list, all except mauna are located along the converging plate boundary. These are the volcanoes:
-Arenal-El Chichon-El Misti-Falcon-Katmai-mount Rainer-Pinatubo-Rabaul-tambora-unzen-villarrica</span>
Answer:
Lithosphere
Explanation:
Answer:
I believe it is extrusive
