Water that freezes and expands in cracks and spaces between rocks will cause.. 1.) abrasion
2.) frost/ ice wedging
3.) exfoliation
4.) plant growth

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Across of blue x blue (both heterozygous) would result in

What is the difference between a meteoroid and a meteor?