The tectonic plates of the lithosphere move across Earth's surface. What is the approximate rate of plate movement?

a few meters per week

a few inches per month

several meters per day

a few centimeters per year

The number of molecules in given amount of water is

Explanation:

We are given:

Moles of water = 1.8 moles

According to the mole concept:

1 mole of a compound contains number of molecules.

So, 1.8 moles of water will contain = number of molecules.

Hence, the number of molecules in given amount of water is