<span>... many people have little regard for their effect on the environment and will do whatever they can to make money. If there are fewer fish available in coastal waters, they'll go wherever they can find fish.</span>
Answer:
C
Explanation:
A. Since
B. Because
C. Although
D. For example
<em>Zebra mussels have been known to have a lifespan of six or seven years in the past but recent discoveries have shown that their average lifespan now ranges between one to two years. Hence, the correct word to fill in the gap would be 'Although'. </em>
<em>The correct option is C</em>
Carbon, hydrogen, oxygen, nitrogen
Earth has seasons because its axis is tilted.