The answer is B.
Animals do cellular respiration which requires the intake of oxygen and the output of carbon dioxide. In order for plants to do photosynthesis, they need carbon dioxide to be able to make oxygen for animals to breathe.
C is the only bad sounding thing out of this bunch.
Answer: Agriculture is increasingly harming the environment for multiple reasons. One being deforestation. Deforestation reduces ecological services it provides humans produces large amounts of Carbon Dioxide which adds to greenhouse gases -> which add to our current problem with climate change. Additionally, the pesticides and fertilizers agriculture uses can be harmful to the nearby ecosystems as it can end up in surrounding rivers which causes it to cycle back.
Answer:
Although both algae and plants are photosynthetic in nature and are classified as eukaryotes (have highly differentiated cells that contain specialized structures like the nucleus), the two still differ in the following aspects: Algae can either be unicellular and multi- cellular while plants are multi-cellular
