A 30 foot long ladder is leaning against an embankment incline 64° to the horizontal line as shown in the figure below. If the angle the latter makes with the ground is 40°, what is the distance from the top of the ladder down the embankment to the ground? Round to the nearest hundredth of a foot.

Which statement describes why the us forest service is important a-it protects ecosystems, supervises public access of lands, and manages wilderness areas. b-it supervises public access of lands, manages wilderness areas, and enforces federal wildlife laws. c- it manages wilderness areas, enforces federal wildlife laws, and foreign governments with international conservation efforts. d- it enforces federal wildlife laws, foreign governments with international conservation efforts, and protects ecosystems.

Which environment would most likely not contain fossils? a a thick deposit of cracked, dried mud b sediment deposited in a sandy river bed c intrusive rock formed from cooled magma d layers of sand accumulated for a century

What happens to rock when acid reacts with it?