Q: Where are most of the organs contained in insects? Choices: - head - appendages - thorax - the abdomen A:
the abdomen

Q: What is the name for the study of the plants and animals that live in fresh water bodies ? Choices: - nematology - oceanography - hydrology - limnology A:
limnology

Q: What can alkenes and alkynes be reduced with to form alkanes? Choices: - acids - oxygen - enzymes - hydrogen gas A:
hydrogen gas