Q: Because core electrons are closer to the nucleus, they are not involved in what? Choices: - diffusion - splitting - fission - bonding A:
bonding

Q: What often relies on cooperation between the motor and autonomic nervous systems? Choices: - ketosis - thermoregulation - hypothalamus - homeostasis A:
homeostasis

Q: Q: What is the only way to completely avoid stis? Choices: - cover your mouth - oral sex - contraceptive use - avoid sexual contact A:
A: avoid sexual contact

Question: Q: Which is the lightest of the widely used structural metals? Choices: - Metal - calcium - potassium - magnesium A:
Answer: magnesium

*Question*
Q: What type of bonds between the bases at the center of the dna double helix hold the helix together? Choices: - helium bonds - ionic bonds - electron bonds - hydrogen bonds A:
**Answer**
hydrogen bonds

Q: Q: Constantly going through some form of growth and repair is a characteristic of all what? Choices: - viruses - bacteria - mass - living things A:
A: living things