A student drops a pebble from the edge of a vertical cliff. The pebble hits the ground 4s after it was dropped. What is the height of the cliff?.

The solutions to the inequality y ≤ 2x − 4 are shaded on the graph. which point is a solution? p

This graph represents four ecosystems. each ecosystem has a different number of species, adding to its biodiversity. different colors represent different species. which statements correctly summarize the data depicted by the graph? 1. ecosystem d has more biodiversity than ecosystem c. 2. ecosystem b has more biodiversity than all the other ecosystems. 3. ecosystem a has more biodiversity than ecosystem b but less biodiversity than ecosystem c. 4. ecosystem b has more biodiversity than ecosystems c and d but less biodiversity than ecosystem a. 5. ecosystem a has more biodiversity than ecosystem c but less biodiversity than ecosystem b.

"what factors influence the absorption of sunlight at earth's surface? "