How does the density of oceanic crust differ from that of continental crust ? why is this difference important

What is the correct term for living the most sustainable life you can within your current circumstances?

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c

State one important difference between a physical change and a chemical change?