If prenatal exposure to a substance leads to birth defects the substance is called a?

Answer teratogen

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What is the name of that SCIFI show where about 5 people need to save the earth after they were shown what was going to happen and were sent back in time The intro had the earth exploding?

What was the hardest war for the US navy?

WWII. The USN had to provide protection and taxi service in the ETO (European Theater of Operations); but had to fight a Naval War in the PTO (Pacific Theater of Operations).Another words, USN flee... Read More »

What is the hardest liquor?

Everclear is 200 proof, or 100% alcohol. Get help or get dead...

What is the world's hardest spelling?

Languages that use an alphabetic writing system that have relatively great spelling challenges include: Irish French Danish Hindi English