Can cause both shaking, restless movements and slow, imbalanced ones.
a. stimulants
b. depressants
c. hallucinogens
d. none of the above

Sat no calculator section question in the picture

Mount saint helen the great lakes and death valley are physical features of the earth which scientific term describes these features

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.