Suppose we use a baseball to represent Earth. On this scale, the other terrestrial worlds (Mercury, Venus, the Moon, and Mars) would range in size approximately from that of ________.
A) a golf ball to a baseball B) a dust speck to a basketball
C) a golf ball to a beach ball D) a dust speck to a golf ball
Question 2
A gas heated to millions of degrees would emit
A) mostly radio waves.
B) mostly X-rays.
C) no light, because it is too hot.
D) mostly ultraviolet light.
E) an equal amount of all wavelengths of light.
The Scale of Life 1
The ability to roll the tongue is one of several traits that represent the dominant allele.
Earth emits radiation back out to space from all surfaces, both day and night
Earth’s Oldest Preserved Rocks – 3.8 Billion Years Old, Greenland
Humans are related to Earth’s other organisms
Earth 200 Million Years Ago