Answer the following question given this paragraph: Q: What is used to date older fossils? Choices: - search engines - litmus testing - electron microscopes - radioactive isotopes A:
radioactive isotopes
Answer the following question given this paragraph: Nervous tissue may become infected by microorganisms. Meningitis, for example, is caused by a viral or bacterial infection of the tissues covering the brain. This may cause the brain to swell and lead to brain damage and death. 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: Answer the following question given this paragraph: Transparent matter is matter that transmits light without scattering it. Examples of transparent matter include air, pure water, and clear glass. You can see clearly through a transparent object, such as the revolving glass doors in the figure, because all the light passes straight through it. Q: What type of matter transmits light without scattering it? Choices: - translucent - clean - bioluminescent - transparent A:
A: transparent
Question: Answer the following question given this paragraph: Q: Some animals prepare for the long winter by going into what? Choices: - suspended animation - fermentation - pollination - hibernation A:
Answer: hibernation
*Question*
Answer the following question given this paragraph: Diabetes is a disease in which insulin fails to keep blood glucose levels within a healthy range. In type 1 diabetes, the pancreas doesn't produce insulin. In type 2 diabetes, body cells do not respond normally to insulin. Q: What is the main problem in both types of diabetes? Choices: - metabolism - blood concentration - blood pressure - insulin production A:
**Answer**
insulin production
Answer the following question given this paragraph: Cyclones can be the most intense storms on Earth. A cyclone is a system of winds that rotate around a low pressure center. The swirling air rises and cools. This creates clouds and precipitation. 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