What type of rock is calcite?
а) igneous
в) sedimentary
c) metamorphic
d) it's not a rock.

Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc