What are the two main things that protect the brain from physical damage?

Two main things: Skull and meninges.

Skull is the main // most important part of protecting as it's one of the most important bones in the body.

Meninges also helps protect the Brain from harmful things including viruses.

explanation:

he always remember humbleness for other

he was first president born poor

the process is called revolution because it was a process of great economic-social transformations that began in england in the xviii century.

the industrial mode of production spread throughout much of the northern hemisphere throughout the xix and early xx centuries.

the effect of this revolution was the distance between the countries, with respect to economic and political power.   after all, not all industrialized at the same time, remaining in the condition of suppliers of raw materials and agricultural products to the industrialized countries.

these differences mark to this day the nations of the world that are divided between developed and developing countries. one way to measure whether a country is advanced is to assess how industrialized it is.