Which ocean resources are second in economic value to oil?

evaporative salts

sand and gravel

manganese nodules

iron and natural

In stage 2 farmers used the land primarily to grow food for their families and their small communities.

These factors threaten north americas ecosystems

[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