Answer: The correct answer is : True
Explanation: In the Middle Ages there were two characters with a lot of power, one was the emperor of the sacred empire, which had a lot of influence and a universal power and the other was the pope, but his power depended on the ability he had to enforce and obey their mandates in all territories that were practically independent.
Descriptive investigations involve collecting data about a system, but not making tests or experiments.
Making tests belongs to experimental investigations.
Descriptive investigations aim to draw conclusions from observations of the fenomena, while experimental investigations design tests that let the researcher to compare results on different conditions with a control situation.
There is also the so called comparative investigations which collect data from under different conditions but do not include the control situtation.
Answer:
blueprints are need then fill the tank up and you got water
Explanation:
Answer:
I my opinion they are very important
Explanation:
Because they need to inspire people to wear a mask because people arnt doing so.