Samples of the air we breathe that were taken from different parts of the world have all been found to contain 78% nitrogen

Aforce of attraction/repulsion due to the spin of electrons what is this force?

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone