1.It is not the largest kingdom, but it is a very important one! In the process known as "photosynthesis", plants use the energy of the Sun to convert water and carbon dioxide into food (sugars) and oxygen. Photosynthesis by plants provides almost all the oxygen in Earth's atmosphere
2.Such use of animals in research may seem cruel. Nevertheless, animals have played an important role in the development of drugs and lines of treatment for human beings, and steps are being taken to curb intentional cruelty towards animals. Certain animals also act as companions for human beings with disabilities.
Answers & Comments
1.It is not the largest kingdom, but it is a very important one! In the process known as "photosynthesis", plants use the energy of the Sun to convert water and carbon dioxide into food (sugars) and oxygen. Photosynthesis by plants provides almost all the oxygen in Earth's atmosphere
2.Such use of animals in research may seem cruel. Nevertheless, animals have played an important role in the development of drugs and lines of treatment for human beings, and steps are being taken to curb intentional cruelty towards animals. Certain animals also act as companions for human beings with disabilities.
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