Movement up or against a concentration gradient requires energy.
a. true
b. false

The specific heat of ice is 0.5 calories/gram°c. 20 grams of ice will require ll calories to raise the temperature 1°c. 05

Whats one way that rocks do not follow the typical rock cycle pathway?

Which is not a characteristic of bacteria? a. they are unicellular. b. they are prokaryotic. c. they are the smallest form of life on earth. d. they are multicellular.