Q: What allows theories to be widely accepted? Choices: - hypothesis - observation - theory - evidence A:
evidence

Q: What element, which often forms polymers, has a unique ability to form covalent bonds with many other atoms? Choices: - iron - hydrogen - oxygen - carbon A:
carbon

Q: Vitamins are organic compounds that are essential in very small amounts for the maintenance of normal what? Choices: - respiration - pigments - calcium - metabolism A:
metabolism

Q: Carnivores are animals that eat other animals. the word carnivore is derived from latin and literally means this? Choices: - amount eater - thick eater - leaf eater - meat eater A:
meat eater