Why did they put lead in gasoline?

Why did they put lead in gasoline?

Leaded petrol contained a substance known as tetraethyl lead or TEL, a compound of lead in liquid form originally added to petrol to increase its octane rating. A side effect of adding TEL is that a layer of lead compounds forms on the valve faces of the engine, retarding wear.

Do Otters have pouches?

Yes. Southern sea otters have flaps of skin under their forelegs that act as pockets. When diving, they use these pouches to store rocks and food.

What Ninja Turtle is red?

Each of the Teenage Mutant Ninja Turtles wears different color bandanas and different weapons: Leonardo has blue bandanas and has 2 katanas, Donatello has purple bandanas and has a bo staff, Michelangelo has orange bandanas and 2 nunchuks which were later replaced by a grappling hook, and Raphael has red bandanas and has 2 sais.

Who was the first president to occupy the White House?

John Adams was the first president to occupy the White House in 1800; one of his first additions was a vegetable garden.

What is the only vegetable that is never frozen?

The only vegetable or fruit never sold frozen, canned, processed, cooked, or in any form but fresh….lettuce.

Is Ursula Ariel’s aunt?

No, however an original draft of the film was actually going to make Ursula King Triton’s sister, which would have made her Ariel’s aunt, as well as predate Scar as being the first Disney villain to be related to the protagonist biologically had it been kept.

Who was the first European to travel to China?

Marco Polo (1254-1324) was an Italian voyager and merchant who was one of the first Europeans to travel across Asia through China, visiting the Kublai Khan in Beijing. He left in 1271 (he was a teenager at the time) with his father (Nicolo Polo) and uncle (Maffeo Polo); they spent about 24 years traveling.

What days are there no professional sports played?

The only two days of the year in which there are no professional sports games–MLB, NBA, NHL, or NFL–are the day before and the day after the Major League All-Star Game.