While calorie counts vary with pizza toppings and recipes, a slice of cheese pizza (weighing about 103 grams) is around 272 calories, according to LiveStrong.com. A calorie counting website averaged a slice of cheese pizza at nearly 250 calories. Indulge wisely and check out these eight pizza deals for Pi Day. Read: The Best Pi Day Jokes. Villa Italian Kitchen: Customers can get a Neapolitan cheese pizza for $3.14 with a coupon.
The Navy's nuclear-powered submarines can stay submerged for long periods of time. Air is isn't a problem as their make their own oxygen and keep the air clean. The limits on how long they can stay underwater are food and supplies. Submarines generally stock a 90-day supply of food, so they can spend three months underwater. The diesel-powered submarines (not now used by the Navy) had a limit of several days submerged.
How long can an alligator stay under water? Normally, an alligator can stay underwater for up to 30 minutes.  However, if they need to stay under longer because they are hiding  from some danger, they can last up to 2 â¦ hours before coming up for  air.Jane Savage. A typical person can stay underwater for between 30 seconds and a minute. Trained divers can last for 2 to 3 minutes. Pearl divers can last for up to around 7 minute â¦ s. The world record for staying underwater (without using pure oxygen first) is just over 9 minutes.