A 20. L container is filled with helium and the pressure is 150 atm and the temperature is 30. C. How many 5.0 L balloons can be filled when the temperature is 22° C and the atmospheric pressure is 755 mmHg.

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?

Which of the following is the most likely outcome of global warming

Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%