Using evidence from the resources and your own knowledge, assess the direct and indirect threats to rainforests in Costa Rica. Need this ASAP!
Please do not copy and paste from Google. Will give brainliest answer. Thank You.

Using complete sentences, describe the central economic problem facing all humans. why does this require people to make choices? how can this result in opportunity costs?

70 pts answer the following questions in full sentences and paragraphs, using at least 150 words, in the essay box below. 1. which organisms are carnivores? herbivores? omnivores? 2. if the ecosystem is balanced, which populations should be the largest? the smallest? 3. imagine a group of hunters kills half of the rabbit population. how will the other organisms be affected? 4. imagine disease kills 85 percent of the wolf population. how will the other organisms be affected? 5. imagine a foreign mountain lion species is introduced into the ecosystem. how will the other organisms be affected?

What is the thickest layer of earth called?