Answer:
B
Explanation:
A concert hall is usually a big hall: big enough for an orchestra to be on the stage. A small concert hall, designed for just a few performers (as in chamber music) may be called a “recital hall”.
Answer:
Force applied = 375 N
Explanation:
Given:
Pressure P = 2500 Pa
Area of aquarium = 0.15 m²
Find:
Force applied
Computation:
Force = Pressure x Area
Force applied = 2500 x 0.15
Force applied = 375 N
Answer: It started in the 1950
Explanation: