A student made a model of a river in a sandbox. A pile of sand represents soil and bits of rock in the riverbed. Water
pouring from a hose represents river water as it flows
downhill.
Which two characteristics are limitations of the student's model?

How many liters of water vapor can be produced if 108 grams of methane gas (ch4) are combusted at 312 k and 0.98 atm? show all work. pls ! will mark as brainliest

What is the most stable monatomic ion formed from nitrogen

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape