Compare the value you calculated for the number of sand grains on Earth’s beaches to the number of particles in a mole. What can you conclude about the size of a mole?

The number of particles in a mole is about (blank) the number of grains of sand on Earth’s beaches.

10. according to the law of conservation of mass, how does the mass of the products in a chemical reaction compare to the mass of the reactants?

Why does a cake rise when you bake it? ♡

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.