The activation energy needed for a chemical reaction is decreased by a

Sand spinifex grass is adapted to growing on sand dunes. it is a rapidly spreading plant and the creeping runners produce new root systems. which of these best explains the benefits of these features? a. it limits water loss through the leaves. b. it provides support by anchoring the plant. c. it protects the plant from predators. d. it allows the plant to tolerate salt. reset submit

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity