Changes in water pressure within guard cells cause the cells to open or close the stoma. This response helps the plant maintain homeostasis by-

the answer is b: 1.4 km/hr

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.

the glands which are associated with each description is given below:

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.