Actin and myosin are important proteins associated with the select one: a. contraction of muscles. b. synthesis of glycogen. c. production of hemoglobin. d. polymerization of dna.

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

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false

Science which of the following is an example of a cyclic behavior that is seasonal? i think the answer is d, i just need to double check : ). a. running from predators. b. searching for water. c. hunting at night. d. migrating for warmth. ***