D. new 7. Day and year, both units of time, are based on the
motion of the
a. stars.
b. sun.
C. moon.
d. Earth.

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

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?