How do cities affect food chain found that particular area? A. Cities blocks the sun that producers need to survive.

B. Animals can change their food source.

C. Humans can cause some animals to become extinct, changing the food chain.

D. Cities can provide unlimited amount of water for animals in found in the food chain

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

What is the difference between an igneous, sedimentary and metamorphic rock

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs