The surface area of a sphere can be approximated as follows: surface area = 4πr2; where r is the radius of the sphere; π is a constant that is roughly equal to 3. using the simple approximation above, calculate the surface area of a sphere with a radius of 5 meters.

What does resonance result in? quieter sounds frequency amplitude louder sounds

Which describes how weathering and erosion are different? weathering is caused by water. erosion is caused by wind and ice. erosion transports sediments. weathering is a natural process.

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.