The temperature at 8: 00
a. m. was –6°
f. by 4: 00 p. m. the temperature was 17°
f. what was the change in temperature from 8: 00
a. m. to 4: 00 p. m.?
a. –23°f
b. –11°f
c. 11°f
d. 23°f

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?

Ways that industry and agriculture use physical properties to separate substances

How do you count the total number of atoms present on one side of a chemical equation?