About how often is a full moon observed from the Earths surface? A. Every two weeks

B. Once each leap year

C. Once a month

D. Each a week

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.

What are some characteristics of a free enterprise economy?

What is any method of measuring the age of an object or event in years, such as using atomic half-life?