1. In one part of the activity, you looked at photographs and placed them in order. How did you determine the order that the photos should go in? They were placed in order based on the time. You can tell which photos were taken before and after the eruption based on the shape and color of Mt. Helen.

2. When looking at your pictures in order, describe the changes to the area. What changes happened first? Why do you think that is?

???

I was thinking and by looking it all made sense. Each event in the pitcure where very sentimental to me.

Explanation:

about 40,000,000 results (0.81 seconds)  

search results

what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.

idk

explanation: