What could be a change that happens upstream that could affect the rest of the ecosystem

The united states suffers from a lack of natural resources. true false

Which human activities cause sudden changes to Earth's surface? Choose all answers that are correct: A: planting crops on hillsides. B: Erecting wind turbines C: Cutting vast areas of forest. D: Building tunnels through mountains.

Is Altamonte Springs in Orlando or part of Orlando?

Other than hawaii, what is the only other state that contains three vowels next to each other?

Write seven sentences about earths layers (use chemical and physical properties)

What are the most wide spread Paleozoic fossils?

Less developed nations are to extended families as more developed nations are to nuclear families. matrilineal families. families of procreation.

If star a has an apparent magnitude of - 6 and star b has an apparent magnitude of 5, which star is brighter in our sky?

What is one advantage of free trade?

Explain how the shading of the direct light of the sun causes a lunar eclipse.