Which of the following statements is true? a. Acids and bases are both dangerous to your body.
b. Bases are the weakened form of acids.
c. Acids and bases should never be mixed together.
d. Acids and bases can be found in just about everything

Which of the following is an advantage of solar energy?

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas