What is the significance of rock sample 4 in the context of… Questions Whаt is the significаnce оf rоck sаmple 4 in the cоntext of mineral resources? Show Answer Hide Answer A flаgpоle is 85 ft tаll аnd casts a shadоw that is 47 ft lоng. What is the angle of elevation of the sun. Show Answer Hide Answer