Ques: Q: What is an ion that is in common to both salts in a solution? Choices: - regular ion - strong ion - native ion - common ion A:
Ans: common ion

Ques: Q: A highway that switches back and forth as it climbs up a steep hillside, yeilding a much gentler slope, is an example of what simple machine? Choices: - lever - pulley - wheel - inclined plane A:
Ans: inclined plane

Ques: Q: Most body fluids that you release from your body contain chemicals that kill pathogens. for example, mucus, sweat, tears, and saliva contain enzymes called? Choices: - lipids - enzymes - sporozoans - lysozymes A:
Ans: lysozymes

Ques: Q: The thermal properties of what substance largely contribute to the temperature climate of europe? Choices: - lava - soil - clouds - water A:
Ans:
water