Which of the following best describes the following characteristics: water storage, clean energy, and flood prevention? positive impact of a density-dependent limiting factor
O positive impact of a hurricane
O positive impact of beavers in an ecosystem
positive impacts of dams on society

Sydney drew a flow chart to illustrate the nitrogen cycle.which labels best complete the flow chart? x: producers undergo photosynthesis.y: nitrogen compounds are released into the air.x: nitrogen compounds are released into the air.y: producers undergo photosynthesis.x: free nitrogen is in the atmosphere.y: producers absorb nitrogen compounds through their roots.x: producers absorb nitrogen compounds through their roots.y: free nitrogen is in the atmosphere.

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

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water