Q: Liquids that mix with water in all proportions are usually polar substances or substances that form these? Choices: - silicon bonds - atmospheric bonds - compressed bonds - hydrogen bonds A:
hydrogen bonds

Q: What are the two distinct types of cells found in the animal kingdom? Choices: - DNA and Eukaryotes - bacteria and eukaryotes - chromosomes and eukaryotes - prokaryotes and eukaryotes A:
prokaryotes and eukaryotes

Q: Q: In a fullerene, what atoms are bonded to three other atoms in a soccer ball pattern? Choices: - hydrogen - oxygen - positive - carbon A:
A: carbon

Question: Q: Toxic compounds in the environment have the most severe impact on animals that are top-level what? Choices: - vegetarian - herbivores - omnivores - carnivores A:
Answer: carnivores

*Question*
Q: While normal light microscopes can magnify objects up to about 1,500 times, what advanced instruments can magnify objects up to 1,000,000 times? Choices: - magnetic microscopes - micro microscopes - electric microscopes - electron microscopes A:
**Answer**
electron microscopes

Q: All chemical changes involve a transfer of what? Choices: - pressure - fuel - oxygen - energy A:
energy