A population of 40 killer whales lives in a bay that measures 2000 square miles. What is the population density of killer whales?

.02

Explanation:

When finding population density, divide the amount of people, animals or things in the region by the total square miles. 40/2000 is .02.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.