In two to three sentences, describe three aspects of a market economy

Using the factors of production to make one product always means that o .) a company may experience a shortage of materials o . )a nation can make more money o. ) it is possible to make too many of that product o. ) fewer resources are left to make something else

Mr. mann's science students were experimenting with speed. they set up a 1 meter (100 cm) track. the students used balls instead of cars. the balls were different sizes and made of different materials. four at a time, students rolled balls around the track to see which had the fastest and slowest speeds. some of their data are shown in the table. which ball will take the longest to complete one lap around the track?

Which of the following best summarizes the idea represented by this graph?