What is the geographic coordinate system?

[fw.02]diana is studying four surface features of florida. she classifies the surface features and places them in different columns of a chart as shown below. surface features column 1 column 2 hot springs sinkholes caverns geysers which of these titles best represents column 1 of diana's chart? formed by freezing groundwater o formed by heating groundwater o formed by evaporation of groundwater o formed by chemical action of groundwater

Pollution from one country can affect another. for example, south korea is especially affected by pollution and dust storms that come from

Which is a trait of a index fossil ?