Wind speeds increase higher up from the earth's surface because
a. the atmosphere is composed of heavier molecules at lower atmospheric levels.
b. the wind is augmented by the solar wind.
c. friction from landscape features doesn't slow them down.
d. oxygen levels are decreased, making air movement quicker.

Problem 1: given: 14 coulombs of charge flow in an electrical circuit. the charge is pushed by a voltage difference if 8 volts. a) calculate the amount of work done in volt. coulombs. b.) calculate the work done in joules.

Do you want free brainliest & free 15 points? answer this correctly and you shall receive : ) the ideal body position for your legs after you've adjusted your seat is with your knee a. is fully tucked in when pressing the pedals b. is slightly crooked when pressing the pedals c. is fully extended when pressing the pedals d. is pressing directly on the pedals

This is a major archaeological site that was once a regional center to the mayan empire in ancient mesoamerica.