True! It lasted about 2.5 million to 8000 bc i hope this helps!
Answer:
Calvin Coolidge
Explanation:
He was the 30th president before Herbert Hoover
Answer: Option (D) is correct
Explanation:
Economic efficiency is referred to as the situation where all commodities and factors of production residing within an economy are allocated or distributed in most efficient way in order to eliminate or minimize waste. It also implies to an state(economical) where resources are being optimally allocated in order to serve individuals or other entity in best way possible while trying to minimize inefficiency and waste.
<span>A researcher who would like to examine whether children who are high math achievers have better memories than do low math achievers should use a correlation design. A correlation design enables the person to find the connection between two different parties, assign variables and research the possible truth and from here, they can derive results.</span>