Which of these energy resources might replace dwindling petroleum supplies one day?

What is the famous rainforest in costa rica called?

If the basis of an isosceles trapezoid have lengths of 11 and 26, what is the length of the median?

Effective charts and graphs include all of the following except 1. simple, meaningful, attractive design 2. accurate information 3.at least five different colors 5.clear presentation of information