Explain the difference between matter made up of more than one element in matter made up of only one element

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

Do plant cells perform cellular respiration?

The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?