Low pressure!
It tends to go from high to low in air pressure! (: If you didn't know - atmospheric pressure can be determined by something called a mercurial barometer! I hope all is well, and you pass! Good luck, rockstar! (:
Let me know if you have any questions, or any comments! (:
That's true of both <em>South America</em> and <em>Africa</em>.
Small antennas on the spacecraft can beam weak radio signals back to earth meaning it can in some way communicate
Answer:
Fertilizer: The ash from the volcanoes can act as extra nutrients for plants. The chemicals in the ash can make the soil richer which is beneficial for many plants.
Tourism: Volcanoes can attract people from all over the world. This can cause people to pay in order to visit. This can be beneficial to people who like in the area, since they can make money off of the tourist
Research: Volcanoes can allow humans to better understand the earth. They can also learn the patterns of the volcano's eruptions or the seismic activity leading up to the eruption.
Entertainment: Volcanoes can be used as entertainment. For example, people go on hikes or study the environment. This can lead to discoveries also.
