Here's a picture of all the phases:
Answer:
Over recent decades, evidence of increases in extreme weather events such as hurricanes, droughts, heat waves and heavy precipitation events has accumulated.
The statement is false. Scientists perform experiments to confirm or disprove what they already know and to learn more.
Answer:
The debate over the use of GM foods started ever since the production of the first GM foods. Supporters of the GM foods tell that the GM foods have been thoroughly tested and approved by the FDA and in the long term they will be the best strategy to overcome malnutrition as the population is rising rapidly. Critics of the GM foods explain the threat that these foods can lead to the natural varieties to become extinct, As a result, there would be no variations among crops which could be a concerning and threatening situation. Also, they are concerned that it might happen that over the long term GM foods might be harmful.
Genetic medicines although properly tested may show differential results when used on people or may give rise to certain other conditions which the humans are unfamiliar for now.
I believe the answer is C. the need to acquire energy from other organisms
This is however an educated guess, but I hope this helps! :)