When hiking or climbing, it is important to be watchful of areas where erosion has occurred, due to an increased risk of rock slides.

The softest and hardest minerals are: softest hardest

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.