It’s someone’s opinion so the key word “best hints that it an opinion so to be objective is to be unbiased. If you're objective about something, you have no personal feelings about it.
Biodiversity is essential in medicine as most active chemicals used to make medicines are derived from plants or other organisms. Climate change today threatens species that are vital to medicine. An example would be coral reefs. Studies have been done on reefs that look at fighting cancers, HIV and other ailments. One of the richest zones of biodiversity is the tropics and this region is under threat from global warming and deforestation. It is important to preserve these species for use in future medicinal research. <span />
Answer:
Carbon dioxide is a greenhouse gas and traps heat in the atmosphere. Without it and other greenhouse gases, Earth would be a frozen world. But humans have burned so much fuel that there is about 30% more carbon dioxide in the air today than there was about 150 years ago, and Earth is becoming a warmer place.
Answer:
Bad form.
Explanation:
Bad form of ozone causes breathing difficulty due to its availability near the surface of earth and its composition. Ozone is not emitted directly into the air, it is created due to the chemical reactions between oxides of nitrogen and volatile organic compounds. When these pollutants react with each other in the presence of sunlight, ozone is produced which leads to difficulty of breathing as well as damages the vegetation so this ozone is considered as bad ozone.
