What processes are necessary in order to turn sand into rock?

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?