well luckily for you I live in Alaska and it is the Yukon River
Roaraion on it axis and revolution around the sun
B. The continents on a map looked like they fit together.
A is the theory he proposed <em>after</em> making this observation
C and D would disprove his theory, not support it.
Answer:
Water temperatures increase because the trees that provide cover from sunlight are cut down. All of these factors disrupt a river ecosystem because the species that live in the stream have adapted to conditions before the deforestation and may be negatively impacted by the sudden changes.
Explanation: