(a) Sejauh manakah kempen "Hari Tanpa Beg Plastik" mampu mengurangkan kesan pemanasan global? Berikan alasan anda. ​

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory