Which organism has a nerve net? a fish b hydra c flatworm d sponge

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

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Which best explains why an iceberg floats?