It's had been built about since 1958.
I’m confused, 3 observations on what?
Answer:
scientist study the earth core by using submarine..
Religion, because it's something that families and cultures would pass down through their generations
Answer:
Let's say the given area is 7.065 inches squared for the quarter circle. To find the radius, you first multiply the 7.065 by 4. You get 7.065 * 4 = 28.26.
Explanation: