Question

 How do reptiles get oxygen?

Answer You see them in zoos across the country or maybe you have one as a pet. They have scaly skin, sharp teeth or slither on the ground. They are reptiles. More than 8,000 different kinds of reptiles li... Read More »
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Top Q&A For: How do reptiles get oxygen

How many moles of oxygen molecules are in 32 grams of oxygen gas?

The formula for determining the moles of a compound is grams (g) divided by molecular weight (MW), or moles = g / MW. The molecular formula of oxygen gas is Oâ‚‚, and because each oxygen atom posse... Read More »
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Guide to the Safety of Oxygen & Oxygen Systems?

While oxygen systems are a crucial part of the medical world, they create a number of safety concerns if they are not used properly. Combustion and leaks are just two of the issues that can go wrong.
http://www.ehow.com/facts_6822930_guide-safety-oxygen-oxygen-systems.html

When did reptiles first appear?

The very first reptiles emerged in the Paleozoic era, during the Carboniferous period. At first, they were primitive and confined to land. Following the Paleozoic era was the Mesozoic era, which wa... Read More »
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How old are reptiles?

Reptiles originated in the Paleozoic era, about 300 million years ago. The reptiles of this period lived only on land, like modern-day lizards. About 250 million years ago, dinosaurs became the dom... Read More »
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