How does sediment form? Molten rock cools below Earth’s surface.

Chemical changes cause sediment to cement together.

Loose material is compacted by pressure.

Weathering breaks down rock and other material.

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Which of the following describes a situation where competition between producers exists

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt

How many formula units in 2.63 mols of nacl?