In the Northern Hemisphere, choose ALL that apply The tilt and revolution
of the Earth causes the seasons
Fall and Spring

Equinoxes occur when days and nights are equal in length.
Winter solstice occurs when the Earth's

North Pole is tilted away from the sun.
Summer solstice occurs when the

Earth's North Pole is tilted toward the sun.

Which of the following factors is not used to measure a country’s standard of living? a.) life expectancy b.)educational levels c.)divorce rates d.) gross income

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.

All of the following statements about the biosphere are true except: a. light and heat from the sun do not affect the biosphere. b. the biosphere gets resources from earth's crust, hydrosphere and atmosphere. c. like "biology", the name for the biosphere comes from the greek word for life. d. the biosphere includes all living organisms on earth's surface.