Question

1. international treaties aim to ensure polar research is ____.

a. unrestricted
b. environmentally responsible
c. commercial
d. solely for profit

Explanation:

International treaties regarding polar research focus on protecting the fragile polar environment. Option a (unrestricted) would harm the environment. Options c (commercial) and d (solely for profit) prioritize profit over environmental care. Option b (environmentally responsible) aligns with treaty goals to ensure research is sustainable and eco - friendly.

Answer:

b. environmentally responsible