An injury to the spinal cord at the level may be fatal because control of the muscles of breathing arise from the spinal cord at this level.

Which of the following is not a benefit of green revolution? a) new crop varieties b) increased crop yields c) cost effective d) new crops may require larger amonts of water than the previous ones.

Metamorphic rocks are formed when sedimentary or igneous rocks are subjected to heat or pressure and recrystallize without melting. which of the following rocks results from the metamorphism of limestone? a. granite b. slate c. sandstone d. marble

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.