A 37 foot tree cats a 27 foot shadow. what is the angle of elevation

of the sun

Which type of tectonic boundary is the result of two tectonic plates colliding with each other?

What south american country has the largest land area?

All of the following are problems Argentina has faced in the past or faces now except: a. heavy air pollution b. issues of military rule c. people moving out of the big cities d. a volatile economy

The change of air temperature with height is the? a. dry adiabatic rate. b. environmental lapse rate. c. wet adiabatic rate.

What creates a global wind

The area just north of Lake Baikal is called?

When the Europeans traveled the Mississippi and the Amazon rivers, what did they bring to the native peoples of both continents? A. Gifts and wisdom B. Exotic plants and animals C. Smallpox and other disease D. Technology and knowledge

What are the major controlling factors for the variations of the water mass in the ocean?

The climatic effect that influences precipitation and air flow locally is

Does oceanwater contain any other minerals than salt