A : a car driving down a hill
Answer: The average speed of the zebra during time between 0s and 40s is 34 seconds.
These are some ways how scientists and engineers develop, use and refine models.
1. Imagine. They have to know what exactly trying to model. They have to imagine and brainstorm what are the things to be considered.
2. Reason. Next, they need to answer the questions brought from their brainstorming. They need to be able to reason out.
3. Calculate and Predict. Once they know it, that's the time they can start modelling and calculate - and predict.
A simple <em><u>refracting</u></em> telescope uses two convex lenses to gather and focus light from a distant object.
Since brown is the dominant color the children would be brown .
