Which is true about cave paintings?

a. cave paintings provide clues about prehistoric life.
b. historians have no other sources of information about prehistoric people.
c. cave paintings show how modern people imagine prehistoric times.
d. historians have studied cave paintings for over a thousand years.

Cave paintings provide clues about prehistoric life.

Cave paintings (also known as "parietal art") are painted drawings on cave walls or ceilings, mainly of prehistoric origin, to some 40,000 years ago (around 38,000 BCE) in both Asia and Europe.

The correct answer between all the choices given is the first choice or letter A. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

the industrial revolution pushed the world into modern industrialization. it changed the course of history profoundly. it caused rapid urbanization and pushed cities and countries into development. the industrial revolution began in great britain with a series with new inventions which led to the creation of machines and mass production.

this caused the country to gain wealth and money and become an international superpower. it improved transportation and manufacturing inside the country, pushed people to live in urban areas and britain to become the most powerful nation in the world for a while.