1. Which of the following is not made from synthetic materials?

A. a plastic cup
B. an aspirin pill
C. a glass window
D. a cotton T-shirt

2. Dental fillings/ crowns are an example of:

A. A polymer
B. A composite
C. A pure substance
D. A natural resource.

Which statement describes james chadwick’s discovery.

Each of the following reactions is allowed to come to equilibrium and then the volume is changed as indicated. predict the effect (shift right, shift left, or no effect) of the indicated volume change. drag the appropriate items to their respective bins.co(g) + h2o(g) < => co2(g) + h2(g) (volume is decreased) pcl3(g) + cl2(g) < => pcl5(g) (volume is increased) caco3(s)< => cao(s) + co2(g) (volume is increased)

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !