Point plz hurry

determine the correct metric length of the cockroach in this image. a) 1.0 in b) 2.5 cm c) 3.0 in d) 7.5 cm

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?

In which phase of mitosis do the spindle fibers pull the chromosomes apart to opposite sides of the cell ?