Which graph shows the line y = 2x + 3? CS
A
D
B
O A. Graph D
B. Graph A
c. Graph
O D. Graph B

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

Which activity is an innate behavior

Name 3 types of energy you see being used as you look around a classroom