The regular use of combined oral contraceptive pills may lower the risk of tumors development in which of the following organs?

A 1.00 L flask contains nitrogen gas at 25°C and 1.00 atm pressure. What is the final pressure in the flask if an additional 0.50 g of N2 gas is added to the flask and the flask cooled to -55°C?

How many grams of H2 gas are there in a 5.00-L cylinder at 4.00 × 103 mm Hg and 23°C?

A gas bottle contains 0.800 mol of gas at 730 mm Hg pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle?

Which law does the equation, = k represent?

Bacillus thuringiensis transgenic crops are designed to 

​The carnivores have specialized shearing teeth called ____.

Throughout the Cenozoic, North America has moved:

A glacier covering at least 50,000 km2, also known as an “ice sheet”, is classified as a(n) ____.

The person who contributed the most to the understanding and final acceptance of the theory of glaciation was ____.