Q: What type of bonds contain atoms that possess either a partial positive or a partial negative charge? Choices: - hot bonds - ionic bonds - geologic bonds - polar bonds A:
polar bonds

Q: The brain develops from this early tube structure and gives rise to specific regions of the adult brain. as the neural tube grows and differentiates, it enlarges into three vesicles that correspond to the forebrain, midbrain, and this? Choices: - anteriorbrain - rearbrain - astrobrain - hindbrain A:
hindbrain

Q: Q: Friction causes the molecules on rubbing surfaces to move faster, which produces what? Choices: - life - precipitation - cold - heat A:
A: heat

Question: Q: What type of organisms do not need blood? Choices: - cold-blooded - vertebrate - marine - single-celled A:
Answer: single-celled

*Question*
Q: What occurs when two opposite charges are separated by some amount of distance? Choices: - particle - radioactivity - diffusion - dipole A:
**Answer**
dipole

Q: Matching donor and recipient blood types is important because different blood types have different types of what? Choices: - antigens - charges - coagulants - antibodies A:
antibodies