Q: A jet plane is moving at a constant velocity on a flat surface. Which forces act against the forward motion of the plane?
A: friction and air resistance
Q: A seed of a plant sticks to the fur of an animal as it walks by. How has the animal most likely helped the plant?
A: by spreading the seed
Q: When nitrogen-rich runoff from farms enters a nearby farm, it causes abundant growth of algal mat on the pond surface. As a result, underwater plants in the pond begin to die. Identify the limiting factor that is most responsible for causing the underwater plants to die.
A: sunlight
Q: Which part of a plant is used to absorb sunlight during photosynthesis?
A:
leaf