Answer:
OB. Run-off from fertilized land increases nitrogen levels in ecosystems and encourages algal growth. is the correct answer.
Explanation:
because This in turn is leading to global warming and weather changes.
<span>has a 50 percent chance of passing the mutated gene to each child. The chance that a child will not inherit the mutated gene is also 50 percent. </span>
Mountain range; when plates are pushed together, they cause rock to push up. After thousands of years, a mountain will be formed after the molten rock cools.