Which statement describes an ionic bond?

a.

electrons transition from an inner shell to a valence shell.

b.

electrons are transferred from one atom to another.

c.

electrons are shared between atoms.

d.

electrons are mobile within a metal.

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.

Why were the results whit just water so much different than the trials with the detergent ?