The leaves of plants have layers that perform different functions. The layer contains chlorophyll which carries out most of the photosynthesis in the leaf.

Which strategy is an example of how companies may upgrade themselves to meet changing customer preferences? a.doing door-to-door sellingb.using billboards to advertise the productsc. making online shopping services availabled.giving discounts on products

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement