In The Pros and cons of Plastics, explore how the economy (the way materials are made, sold, and
bought) is affected by using and producing plastics. Use
the information to answer the question.
How does producing plastics benefit the economy?

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Helium decays to form lithium. which equation correctly describes this decay?