One environmental problem affecting the supply of fresh water is that groundwater is being pumped from aquifers
1. distribute → 3q-15= 2q +10
2. combine like terms → q=25
Researchers found a total of 138 volcanoes in the West Antarctic Ice Sheet overlying the West Antarctic Rift System, 91 of which had never before been identified. Basically they have never seen those types of volcanoes before.
Scientists now know all know that the earthquakes are caused by faults and they look at the ground for this activity, thus means that by doing this they knew more and more of the earth.
