Name the 2 ions form when water dissociates

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome

Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science

If a cell is placed into a hypertonic environment, what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge