What is the relationship between chromosomes, genes, DNA, and
heredity?

Are salt and soap nutrients or toxins for yeast? explain.

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases