Predict the chemical formula of butyne, having one carbon-carbon triple bond. a. c4h8 b. c4h10 c. c4h6

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false

What are the three groups of atoms that make up amino acids called