Answer:
Eratosthenes
Explanation:
When the geographers of the Greek era started estimating scientifically the circumference of the earth, a huge impulse was given to the cartographic science.
The correct answer here is 2. The IRB must approve the experiment. Whether the experiment is on humans or on animals it must be approved. The IRB will examine the proposed experiment and its methodology in order to see does the experiment meet the ethical standards. Conducting ethical research is of the paramount importance.
This is the intensity.
The intensity of a sound wave is the energy in form of vibration that passes through some unit, for example through square meter. The unit for this is watt over square meter or
w/m²
(watt is the energy, square meter is the unit area)
Answer:
The President
Explanation:
Established in Article II, Section 2 of the Constitution, the Cabinet's role is to advise the President on any subject he may require relating to the duties of each member's respective office. The tradition of the Cabinet dates back to the beginnings of the Presidency itself.
