People feel happier in the presence of happy people than in the presence of depressed people. this is known as:

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

Explain how organisms could be harmed by high levels of salt from roadways?