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:
B. Crystal size is a function of cooling time. The longer a melt cools the larger the crystals.
Answer:
9
Explanation:
27=3y
Get y by itself, that is your main mission. In geometry, if you do one thing on one side, you have to do the same on the other. In this case:
27/3=3y/3
Cancel the 3<em>s</em> on the right side and solve the left.
9=y