Does anyone know how to do question 2?

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid