Q: Q: What layer is below the lithosphere and in the upper mantle? Choices: - troposphere - magnetosphere - hydrosphere - asthenosphere A:
A: asthenosphere

Q: Q: What is the smallest part of a compound? Choices: - electron - dna - nucleus - molecule A:
A: molecule

Q: Q: What is another word for brooding- keeping eggs warm while the embryos develop? Choices: - spawning - fertilization - hibernation - incubation A:
A: incubation

Q: Q: In which direction does heat always flow through objects? Choices: - from low to high - from cooler to hotter - from left to right - from hotter to cooler A:
A: from hotter to cooler