What would be the MOST appropriate closing sentence for this paragraph? A) A bottleneck is when the road gets narrow and the tra
ffic backs-up as a result. B) Too many cars on the road is frustrating; that is what I have to say about traffic. C) Until civil engineers consider widening the bridges, these traffic problems will continue. D) Traffic problems are sometimes very tricky to solve.
Plants are producers. They make their own food, which creates energy for them to grow, reproduce and survive. Being able to make their own food makes them unique; they are the only living things on Earth that can make their own source of food energy.