What is an example of a chemical change? a. water evaporating from a puddle b. cloth tearing when pulled c. wood forming sawdust when cut d. bread baking in an oven

4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

List the path of the respiratory system