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
Answer:
yoo you get my e m a i l?
Explanation:
It is topography that is formed from the dissolution of soluble rocks such as limestone.
Answer: B
You can see where the most people lives.
Answer:
Normal fault
Explanation:
Tensional stress occurs as a result of forces which could be wind, water etc pulling the rocks apart and forming faults. Faults are also known as a type of fracture which occurs between rocks.
Tensional stress along a fault can result in a dropped hanging-wall block relative to the footwall side(in a perpendicular position) thereby producing a normal fault.