A shepherd takes his herd of sheep for grazing in a region with rocks, trees and long stretches of grassland. He used a stick that had a small iron piece attached at one end to control the herd. One day he noticed that the iron in the stick was attracted to a part of the rock. Which of these events explain the presence of a natural magnet?

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

What is the inability of an individual or a society to achieve a minimum standard of living known as ?

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?