What is the major advantage of an orbiting telescope

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food

Why is there more biomass at the producer level that at the consumer levels ? how does this relate to the 10% rule ?