Formaldehyde, ch2o, and acetic acid, c2h4o2, have the same empirical formula but different a. kinds of cations. c. kinds of atoms. b. kinds of anions. d. molecular formulas.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles

Where is having brightly colored feathers that attract mates most clearly an adaptation for a bird? a. a forest with dense vegetation b. a sandy beach beside an ocean c. a snowy tundra with little vegetation d. a swamp with many hawks that eat birds