Earth’s ozone layer first began to form in the stratosphere during the ___ eon. A. Paleozoic
B. Archaea-Proterozoic
C. Hadean
D. Archean

Based on this map, which statement about africa’s economic activity is most accurate? a) coastal countries are all members of opec b) economic development is more common with opec nations c) coastal countries have more access to productive resources d) economic development is more common above the sahara desert

[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

What does it mean if a piece of wood is ripped? it has been water-damaged. it has been cut with the grain. it has been cut against the grain. it has been covered with laminate.