What is the series of cycles called in which chemicals are continuously consumed, rearranged, stored and
used?
(a) Water cycle
(b)Carbon cycle
(c)Nitrogen cycle
(d)Biogeochemical cycle

As an asteroid comes close to earth, it's name will change to? apex

Question 1 which of the following allows cells to take in fluids? a. phagocytosis b. pinocytosis c. exocytosis d. receptor-mediated endocytosis question 2 molecules move along their concentration gradient (from areas of high concentration to low concentration) using active transport mechanisms. a. true b. false question 3 which of the following powers active transport (ie. provides the energy for)? a. glucose b. transport proteins c. atp d. phospholipids question 4 what type of lipid is a major component of the plasma membrane? a. cholesterol b. phosopholipids c. proteins d. triglycerides

Describe surface tension in a group of bonded water molecules