Well if you mean what does the controlled part of a scientific investigation, it is the part of the investigation that will be your control or your base, untouched, original, data and such.
Vultures can alert the authorities if they circle and attack the illegally hunted animals. They can also attack and steal their pray or destroy its valuables such as skin or similar.
China is a Communist Economy
Answer: D.) to maintain records etc...
Explanation: Edge2020
1. B
2. D
Reason for 1: to make a wind turbine go it requires A LOT of energy and u are very high up which causes high risk
2: not much to explain due to all the questions being correct.
