The zero.
Two thousand years ago, the ancient Maya developed one of the most advanced civilizations in the Americas. They developed a written language of hieroglyphs and invented the mathematical concept of zero. With their expertise in astronomy and mathematics, the Maya developed a complex and accurate calendar system.
Answer:
Robber barons were both good and bad. On the one hand, they created enormous wealth and opportunity. On the other, they drove numerous small competitors out of business, damaged the environment, and generally treated their workers very badly.
I feel like the robber barons were bad due to them running people out of business and damaging the environment
Explanation:
Answer:
I'm pretty sure it's c
Explanation:
Since if more people buy more than that means it's in high demand and they will make more money from the product.
Answer:
A double-blind study is one in which neither the participants nor the experimenters know who is receiving a particular treatment. This procedure is utilized to prevent bias in research results. Double-blind studies are particularly useful for preventing bias due to demand characteristics or the placebo effect.
For example, let's imagine that researchers are investigating the effects of a new drug. In a double-blind study, the researchers who interact with the participants would not know who was receiving the actual drug and who was receiving a placebo.
<span>Individual discrimination is against one person while institutional discrimination is against a whole group.</span>