Which of the following is not a source of energy used by living things? a. chemical energy c. mechanical energy b. solar energy d. wind energy

Which situation is an example of competition that could be found in the grassland? a. two lion populations utilize the same gazelle population as their main food source b. deer eat berries and their droppings seed new areas, creating new berry bushes c. two shark populations utilize the same fish population as their main food source d. lack of sunlight due to changes in the seasons restricts the growth of certain plants

What arrow on the map points to an air mass moving toward a cold front

Robert wants to know which fertilizer will work the best for his grass. what can he do to explore this inquiry?