Which of the following best represents the speed of a banana slug? A. 2 × 103 meters per second B. 2 × 10-3 meters per second C. 2 × 10-3 kilometers per second D. 2 × 103 kilometers per second

d. kilometers per hour

Explanation:

Halley's comet is named after the astronomer Halley. This comet entered the inner solar system from the Kupier's belt.  It is very large in size. It appears every 75 or 79 years in the inner solar system and can be seen with the naked eye. Its orbit is elliptical in shape. It reflects the sun light, otherwise it is entirely dark and made up of volatile material, as observed