4. What is the distance of an observer that hears an intensity of 5.0 W/m2 from
the speaker that has a power of 20.0 W?

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

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