Put these sentences in order to describe how the ocean bottom has a reduced level of oxygen in a dead zone
1. Algae blooms die and sink to the bottom of the ocean.
2. Fertilizer is added to land to increase plant growth.
3. Bacteria feed on the algae and use up the dissolved
oxygen in the ocean
4. When it rains fertilizer is washed from land and enters
the rivers and oceans.
5. Algae feed on the fertilizer and form massive BLOOMS.

The image shows a sandstone formation with visible bands of different colors. what do the bands indicate about how this sedimentary rock was formed? choose two answers. a). the rock was made from more than one material. b). water was absent during the compaction and cementation process. c). sediments and other matter were deposited in layers before lithification. d). the rock was stretched horizontally by the pressure from surrounding rocks. e). layers of hot liquid in the rocks cooled and solidified at different tempatures