Q: Unlike energy, what happens to matter in ecosystems? Choices: - it is filtered - it does not exist - it is destroyed - it is recycled A:
it is recycled

Q: Many cancers, as well as autism, are thought to have what component, which is certainly a factor in asthma? Choices: - emotional - critical - ecological - environmental A:
environmental

Q: Q: What do you call the symbiotic relationship where a parasite benefits while the host is harmed? Choices: - hostism - symbolic damage - invasion - parasitism A:
A: parasitism

Question: Q: A form of carbon in which carbon atoms are arranged in a hollow sphere is known as? Choices: - chondrite - amines - analyte - fullerene A:
Answer: fullerene

*Question*
Q: What sort of gas is found in balloons and blimps, and is used to make them float in the sky? Choices: - oxygen - hydrogen - radon - helium A:
**Answer**
helium

Q: An infection may be intracellular or extracellular, depending on this? Choices: - pollen - microbes - bacteria - pathogen A:
pathogen