Why do living things use enzymes instead of heat as a source of activation energy? o adding sufficient heat would harm or kill a living thing. o adding heat would not give the reactants enough energy. o adding heat gives reactants the wrong kind of energy. o adding heat does not affect how chemical reactions take place.

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

Why are some people more concerned about shark survival than about shark attacks?

As kate is moving down the hill, what type of energy does she have? a. sound energy b. electrical energy c. light energy d. mechanical energy