Which of the following amendments might you choose to improve the overall quality of the soil in the following scenario? The soil in a garden is loamy, with a high organic content. On testing, the soil is sour, with a low pH of 4. You wish to grow lilacs, which prefer a more alkaline soil.

potassium

calcium carbonate

compost

nitrogen

What feature of cell theory is best demonstrated in the image

How can you approximate the number of calories required to keep you in energy balance?

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey