Match each type of lagoon with its description. tiles facultative lagoon anaerobic lagoon aerobic lagoon pairs it has no aerobic zone and is about 6 to 30 feet deep. it has both an aerobic zone and an anaerobic zone, and is 4 to 8 feet deep. it has a high amount of oxygen, and is about 5 feet deep.

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.