Answer A) your.
Beacuse the noun is sleeping and it needs a posseive pronoun not a personal pronoun.
Answer:
The rise of sea levels in coastal areas.
Explanation:
One of the major problems of climate change - especially for low countries boarding to the sea - is the rise of sea level. Several islands have already suffered the consequenses, like loss of homes and/or beaches in coastal areas. The rise of temperatures in coastal areas is a cause for worry but it doesn´t (yet) physically affect people living in coastal areas.
Explanation:
company a = 120 + 0.3 × miles
company b = 50 + 0.4 × miles
120 + 0.3 m = 50 + 0.4 m
120 - 50 = 0.1 m
70 = 0.1 m
m = 700 miles