A gas sample is heated from -20.0 C to 57.0 C and the volume is increased from 2.00 L to 4.50 L . If the initial pressure is 0.140 atm, what is the final pressure? 1) -0.177 atm
2) 0.0477 atm
3) 0.0811 atm
4) 0.411 atm

Iknow #2 is d. i just need to know why

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Chromosome 17 is made of over million base pairs.