Q: What are the dark areas of the moon called? Choices: - craters - hollow space - laura - maria A:
maria

(Question)
Q: The passenger pigeon, the dodo bird, and the woolly mammoth represent individual cases of what fate? Choices: - isolation - compression - accumulation - extinction A:
(Answer)
extinction

Ques: Q: Covalent bond energies can be used to estimate the enthalpy changes of what? Choices: - crystals reactions - Pressure reactions - liquid reactions - chemical reactions A:
Ans: chemical reactions

(Q).
Q: Ordinary table salt is called what? Choices: - oxygen chloride - carbon chloride - ammonia chloride - sodium chloride A:
(A).
sodium chloride

Ques:Q: What are scientists able to determine about stars using emission and absorption spectra? Choices: - shape - size - distance - composition A:

Ans:composition

Ques:Q: What is the name of the location in which a stream or river starts? Choices: - spring - shore - mouth - source A:

Ans:
source