A 80. gram sample of 238U undergoes decay with a half-life of 4.5 x 109 years. What mass in grams of 238U remains after 1.35 x 1010 years

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

What effect might melting sea ice have for people who live in coastal areas?

Glucose (c6h12o6) is an important biological molecule. (round the answer to nearest hundredth.) what is the percent by mass of carbon in glucose?