If the initial temperature of an ideal gas at 2.19 atm is 79 °C, what final temperature (in °C) would cause the pressure to be
reduced to 1.89 atm?

organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.

"record the time to complete a chemical reaction" would most likely be part of a lab procedure.