Just before sunrise on a clear, calm, morning, the air temperature about five feet above the ground is typically the air temperature at ground level. a. Either just slightly cooler or just slightly warmer than
b. About the same as
c. Substantially warmer than
d. Substantially cooler than

Which of the following can scientists estimate geologic time? a.observing rock sequences b.radiometric dating c.comparing fossils d.all of these

What was apartheid and how did it restrict the rights of non-whites?

(10 points) 1. cone 2. rectangle 3. triangle 4. circle 5. cylinder a. perpendicular cross section of a pyramid b. perpendicular cross section of a cylinder c. parallel cross section of a sphere d. shape created when a rectangle is rotated about the y-axis e. shape created when a right triangle is rotated about the y-axis