Bad gases in the air, like the smoke from cars. the trees filter that.
The Guianas is a South American region. It includes the independent nations of Guyana, French Guiana, and Suriname (termed before as Surinen).
Suriname was received by the Dutch, from England, in exchange for "<span>Nieuw Amsterdam" (at present,called New York).
</span>French Guiana became a French distinct part overseas in 1946 <span>, while Suriname went through </span>constitutional<span> reform in 1948–1951 and was given self-government by the Netherlands in the year 1954 and independence in the year 1975.
British Guiana on the other hand was then granted its own constitution in 1953. I</span>n 1966 t<span>he later also achieved independence as Guyana .</span>
They use colors to find regions so you can find them easyer.
The answer is D. 1.3 billion
