Which element has an average atomic mass of 20.180?

Computer models can scientists predict weather. some computer models can show the predicted path of hurricanes. what other events could a computer model warn us of? a) undersea earthquakes , tornadoes, and avalanches b) tornadoes c) avalanches d) undersea earthquakes

What is an example of a line segment

Lines of longitude are like stripes from the top of the globe down to the bottom virtually slicing the earth like an orange