Human activities have resulted in changes to the atmosphere. true or false

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

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

If a force of 40 newtons moves a cart a distance of 9 meters, the work done is nm. if the same force moves the same cart three times that distance, the work done is nm.