Much of northern Missouri is made of plains with flat grassy areas. On these plains, there are some large boulders that weigh several tons. Which of the following processes is responsible for the presence of these boulders in the plains?

50 pts plz what is the physical state of matter of baking soda.

Compare and contrast physical changes with chemical changes.

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh