Andy is the captain of a fishing boat. in which economic sector does he work? a. primary b. secondary c. tertiary d. quaternary

Does the threat of global warming require international cooperation? why or why not?

Which outcome is not caused by gravitational forcea. gas and dust come together to form a planet b. planets orbit a star c. two atoms come together to form a molecule d. stars cluster to form a galaxy

Fossil fuels such as coal, oil, and natural gas were formed over millions of years by