Q: Q: The magnet field of earth is called what? Choices: - atmosphere - troposphere - ionosphere - magnetosphere A:
A: magnetosphere

Q: Q: What is the process in which unstable nuclei become stable by emitting particles and energy and changing to different elements called? Choices: - nuclear decay - radioactive decrease - initial decay - radioactive decay A:
A: radioactive decay

Q: Q: What does it mean to be a diploid organism? Choices: - yolk has two copies of each gene - taproot has two copies of each gene - micelles have two copies of each gene - organism has two copies of each gene A:
A: organism has two copies of each gene

Q: Q: What is the name of the smallest planet in our solar system, which is also nearest to the sun? Choices: - mars - jupitor - earth - mercury A:
A: mercury