What is the temperature of no2 gas if the average speed (actually the root mean square speed) of the molecules is 750 m s-1?.

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.

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

Analyze the forces acting on a cyclist who is slowing down as he or she climbs a hill