Which of the following statements about ph is true? a. the ph scale is a measure of oxygen ion concentration. b. a single unit change on the ph scale is equivalent to a 1% change in hydrogen ion concentration. c. an increase in hydrogen ion concentration means a decrease in ph scale units.

Which type of bacterial reproduction is depicted in the diagram?

In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks