Global warming "<span>B. threatens polar ecosystems". All the other answers are false, especially answer A. There is a lot that can be done to stop global warming, such as reducing energy consumption.</span>
Answer:
The schoolboy creeps like a snail because he is unwilling to go to school. He wanted to stay at home. Hence, when it comes to schools, the boy creeps like a snail, since his footsteps become slower and slower and he drags himself towards school.
Answer: The 20th century, in its beginnings, evidences the prolongation of the historical conditions of the previous century, but its own profile of the time is defined within the framework of the revolutionary impulse of the industry, the changes in the agricultural system, the advances in science and the technology.
The 21st century is characterized by the advance and expansion of digitization and control of information at a global level.
Explanation:
