From a distance of 26 meters away, a person notices the sun just disappearing behind the ooftop of a tall building. assume the person is observing from ground level. a) assuming the sun at the time was at an altitude of 68° above the horizon, what is the height of the building? b) a little while later, the same person observes the building's shadow has reached a length of 54 meters. what is the altitude of the sun above the horizon at this time?

Geologists get to play with chemistry, physics, and history! and what a history you will meet as youwork your way through the course. starting at the beginning, the textbook provides the scientifically acceptedstart of the and promises that you'll get to explore some of the evidence for that scientific view, later inthe semester. meanwhile, which is more nearly correct of the scientifically accepted view? a) the earth formed when the big bang caused older materials to fall together, about 14 billion years ago.b) the earth formed from the falling together of older materials, about 4.6 billion years ago.c) the earth formed in the big bang, about 6000 years ago.d) the earth is eternal, having been here forever and promising to be here forever.e) the earth was assembled by gigantic space beavers, which gnawed down the primordial tree of life andpiled its branches together to form the planet.