Which mixture of gases is thought to have made up earth's early atmosphere?
a. methane, oxygen, hydrogen, water vapor
b. carbon dioxide, nitrogen, oxygen, ozone
c. hydrogen, water vapor, ammonia, methane, carbon dioxide
d. ozone, water vapor, carbon dioxide, ammonia

The answer can be found in Sir Isaac Newton's First Law of Motion. According to this law, an object at rest (like the egg sitting on the tube) should stay that way unless a force pushes or pulls it (your hand striking the pie pan). ... Then another force—gravity—took charge and pulled the egg straight down into the glass.

Step-by-step explanation: