Question

The growth of plants in some Arctic lakes has increased significantly in the past 150 years. Scientists attribute this increase in plant growth to the increase in surface air temperatures on Earth, also known as global warming. Which of the following best explains how global warming can cause an increase in plant growth in Arctic lakes?

Answer 1

I'm assuming there are options? I would go for one that follows the idea of warmer water = extended growth periods & a higher likelihood of seeds spread by traveling animals to take root.

Answer 2

Increasing air temperatures can cause an increase in the growing season of Arctic plants.