Q: What is used to date older fossils? Choices: - search engines - litmus testing - electron microscopes - radioactive isotopes A:
radioactive isotopes

Q: Meningitis, for example, is caused by a viral or bacterial infection of the tissues covering what? Choices: - the skin - the liver - the lungs - the brain A:
the brain

Q: Q: What type of matter transmits light without scattering it? Choices: - translucent - clean - bioluminescent - transparent A:
A: transparent

Question: Q: Some animals prepare for the long winter by going into what? Choices: - suspended animation - fermentation - pollination - hibernation A:
Answer: hibernation

*Question*
Q: What is the main problem in both types of diabetes? Choices: - metabolism - blood concentration - blood pressure - insulin production A:
**Answer**
insulin production

Q: What type of intense storm is a system of winds that rotate around a low pressure center, resulting in swirling air that rises and cools to create clouds and precipitation? Choices: - hurricane - drought - monsoon - cyclone A:
cyclone