There can be many caused to the change of Earths temperature but one would be the use of fossil fuels. This is because when burned it releases Greenhouse gasses which are trapped in the atmosphere and causes heat. Which eventually leads to Global Warming. (Hopes this helps! )
The colors on the new flag (adopted 2001) are Blue, yellow, green.
By ocean currents is the answer to your question
Answer: Coffee (Café)
Explanation: Coffee is one of Costa Rica's biggest exports. (El café es una de las mayores exportaciones de Costa Rica.) It has become a very important part of the economy and aided in developing the country. (Se ha convertido en una parte muy importante de la economía y ha ayudado al desarrollo del país.) The coffee plantations have become major tourist attractions of the area. (Los cafetales se han convertido en las principales atracciones turísticas de la zona.)
