2.
Scientists have discovered that the ozone layer located just above Antarctica
in the South Pole is already damaged. The area where there is an observed
decrease in the thickness of the ozone layer is called an ozone hole.
3. The lion is often thought of as the king of the jungle, but the African wild dog
may be a better hunter. Both lions and African wild dogs are pack animals and
have females lead their hunts, but they have different hunting styles. Although
lions are very fast, they do not have much stamina. They attack in short,
ferocious bursts because they get tired quickly.

{chronological,sequence,descriptive,cause and effect,comparison and contrast,problem-solution}​