What are 3 ways scientists get to the mantle of earth

What indicates the total number of protons and neutrons of an atom

Why does water heat up and cool down slowly? a. Water has a low heat of vaporization b. Water has a variable thermal potential c. Water has a high specific heat

Atoms, in a solid state, could best be compared to a group of people

he universal genetic language of DNA is common to virtually all organisms on Earth, however diverse. What is the best explanation for this fact?

Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? (a) He decreased the density by increasing the volume.

Three cells are placed in three solutions of different concentrations. Determine the concentration of the solutions based on the predominant movement of water molecules through the cells.

If an rna-based virus like the one we have here were to be considered a living thing, make an argument as to why the virus's rna would be considered its primary source of heritable information.

Describe the inheritance patterns that exist aside from simple dominance

What system is the anterior vena cava fetal pig?

If a Star is located 40,000 light years from earth, what can you conclude about the light from the data?