What are external features of a dicot seed?

When principle states that the oldest rock layer is found at the bottom in an undisturbed stack of rock layers? What is chlorine gases number of atomic mass? Why must DNA be able to copy it self? Closing off access to something by placing obstacles in the path is called a .? How do pigs physical or behavioral features contribute to its survival? What is the planet with 27 moons? How did plant life begin on earth? How many square feet is 3' x 8'? What is warmed by the heat from Earth's surface? Why is the plasma membrane called a unit membrane? Why do more mosses and lichens grow on granite than on marble? What is located at w degrees south and w degrees west? Why can more water vapor be present when air is warmer? What is the city the bratwurst capital? Inflamation of facial nerves-? Distance from epicenter? What is a diloute solution? What plants are in the Dry Tortugas? What were the type of plant life during the Jurassic time period? How do you convert 0.9831 atmosphere to millimeters of mercury?