Water in the blood helps carry nutrients and gases required foe survival througout the body. Which characteristics of water allow for this action? A. water has a neutral pH
B. water maintains temperature
C. what expands when it freezes
D. water dissolves many compounds

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b. diffusion c. endocytosis d. exocytosisc. endocytosis

Describe the layers of the suns atmosphere?