Structures in plant leaves that open and close to maintain homeostasis are called . stomata nodes flowers stems

That depends. cause the owl finished it in one lick

Ithink that’s it’s b

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.