A sailboat travelled at a constant speed for 8 hours. Then, it decreased its speed by 10 mph for the remaining 240 miles. If the total distance was 560 miles, what was the amount of time it travelled for the remaining 240 miles? ___ h

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

How do the kidneys affect homeostasis