Q: Crude oil is a mixture of different types of what? Choices: - contaminants - fats - greenhouse gases - hydrocarbons A:
hydrocarbons

Q: Natural selection cannot create new variations in organisms - these new variations must be created by what, which are usually associated with some sort of abnormality? Choices: - radiation - infection - pollution - mutation A:
mutation

Q: Q: Beryllium, magnesium, calcium, strontium, and barium are classified as what type of metals? Choices: - alkaline aligned metals - acid earth metals - alkaline support metals - alkaline earth metals A:
A: alkaline earth metals

Question: Q: The boiling point of a solution is higher than the boiling point of the pure solvent, but the opposite occurs with this? Choices: - dissolving point - evaporation point - liquidity point - freezing point A:
Answer: freezing point

*Question*
Q: Name the physical phenomenon of the ocean that has a significant impact on both ocean life and human life. Choices: - las nino - el nieto - el pino - el nino A:
**Answer**
el nino

Q: The volume of blood each ventricle pumps per minute is called what? Choices: - trauma output - blood output - brain output - cardiac output A:
cardiac output