Q: Q: What is earth's main source of energy? Choices: - the atmosphere - the moon - the core - the sun A:
A: the sun

Q: Q: Many disciplines within the study of biology contribute to understanding how past and present life evolved over time; these disciplines together contribute to building, updating, and maintaining this? Choices: - amount of life - root of life - forests of life - tree of life A:
A: tree of life

Q: Q: Angiosperms are also known as what? Choices: - dry plants - uncommon plants - dead plants - flowering plants A:
A: flowering plants

Q: Q: What is the minimum number of times a partial lunar eclipse will occur each year? Choices: - six - 11 - five - two A:
A: two