On a weather map, high wind speeds are indicated where are spaced close together.

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

The science for classifying and naming organisms is known as