False.
Rock that forms from particles put down by water or wind would be a sedimentary rock. Igneous rocks are formed by the cooling of magma, which then solidifies to form rocks.
Answer: d.
Explanation: they used them to spy on each other
The correct answer is A) Johanan Ben Zakkai. Hope this helps.
Because time is a social construct. It was only created when civilization was created. Since there was no one to create time in the beginning of Earth we had to create it as far back as we could. So basically science as stuff created time to help people. Time wasn't a thing back then. It only became a thing when people became a thing.
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The problem centered around factories that used a new based technoloy.
Andrew carniege installed a lot of new inventions in order to increase the efficiency of his production. This ended up making a lot of skilled workers to lose their jobs/position in the industry and replaced with low skilled worker to operate the machinary.