The correct answer is letter D.
Explanation: In this case the two grocery wants to sell their products, as a result they are gonna represents many products, because they are two. And they of course wants to sell their products, so they are gonna lower the prices for sell.
The consumers can buy more, with a lower price.
True. In this way, you are able to learn from others.
The reason why the nine year old has an easy time of catching the ball while the three year old finds it difficult because the 9 year old has an increase reaction time in which he could respond easily to things that is being handed out to him, where as the three year old has a decrease reaction time, in which it makes it hard for him to cope up or respond to tasks that is being handed to him such as catching the ball.