How are organisms in the domains bacteria and archaea similar?

a. they are protists.

b. they are ancestors of eukaryotes.
c. they have membrane enclosed organelles.

d. they lack a nucleus.

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.