Can someone help me with 41 and 42 thank you

The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

Explain how global warming could have affected yellowstone frog and salamander habitat's, resulting in changes in the populations of these species