What igneous rock can float on water?

What igneous rock can float on water?

Pumice is composed of highly microvesicular glass pyroclastic with very thin, translucent bubble walls of extrusive igneous rock.

How long is a football goal post?

The goal posts must be 18 feet, 6 inches wide and the top face of the crossbar must be 10 feet above the ground. Vertical posts extend at least 30 feet above the crossbar. A ribbon 4 inches by 42 inches long is to be attached to the top of each post.

How long apart can twins be born?

For twins Amy and Katie were incredibly born 87 days apart. Maria went into labour four months early, giving birth to Amy – but Katie did not arrive until three months later. Their incredible births will now become a Guinness World Record for the “longest interval between the birth of twins”.

Are deer color blind or not?

“Deer are essentially red-green color blind like some humans. Their color vision is limited to the short [blue] and middle [green] wavelength colors. As a result, deer likely can distinguish blue from red, but not green from red, or orange from red.”

How many different types of sea creatures are there?

Over 1 million known species of plants and animals live there, and scientists say there may be as many as 9 million species we haven’t discovered yet. Marine animals come in all kinds of weird shapes, sizes, and colors; and they live in all kinds of different environments within the ocean.

How much does a gallon of 2 percent milk weigh?

This is because a gallon of milk weighs about 8.6 pounds, give or take, based upon whether it is whole milk (heavier) or skim (lighter). But for our purposes, the 8.6 and 11.63 are accurate enough.

How old was Marie Antoinette when she married King Louis?

Born in Vienna, Austria, in 1755, Archduchess Marie Antoinette was the 15th and last child of Holy Roman Emperor Francis I and the powerful Habsburg Empress Maria Theresa. 2. She was only 14 years old when she married the future Louis XVI.

Why is it called the Continental Divide?

The Continental Divide, also called the Great Divide, is a natural boundary line separating waters that flow into the Atlantic Ocean or Gulf of Mexico from those that flow into the Pacific Ocean. It runs north-south from Alaska to northwestern South America.