Answer choices:
A. Glass
B. Plastic
C. aluminum
D. Foam

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

Compare and contrast the bohr model and the electron cloud models of the atom.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?