The calcium carbonate found in limestone was originally extracted from
a. seawater
b. shale
c. magma
d. silt

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

List the path of the respiratory system

An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.