Denning is another word to use for hibernation. Bears, like the black bears seen here, den during the winter because A) it is very cold. B) food is hard to find. C) they are tired from hunting all summer. D) the days are short and the nights are long.

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?

Aresident is five feet tall.what is the measurements in iches