Biology, 09.02.2021 21:20 tzartiger12
In aquatic ecosystem, phytoplankton and other photosynthetic organisms appear in the upper layer of the water, but not deeper layers. Which statement explains this distribution? A.) The deeper layers are too dark for photosynthesis to occur
B.) The deeper layers are too cold for photosynthesis to occur
C.) The deeper layers have too little oxygen for photosynthetic organisms to survive
D.) The deeper layers have too much carbon dioxide for photosynthetic organisms to survive
Answers: 3
Biology, 21.06.2019 14:30
Apart of the periodic table is shown. a portion of the sixteenth and seventeenth columns of the periodic table is shown. column 16 reads eight oxygen, 16 sulfur, and 34 selenium. column 17 reads nine flourine, 17 chlorine, and 35 bromine. which of the following elements is less reactive than the others? bromine (br) oxygen (o) selenium (se) sulfur (s)
Answers: 2
Biology, 22.06.2019 02:00
Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?
Answers: 3
Biology, 22.06.2019 23:00
If you see a sedimentary outcrop and red layers of sand are at the top of pale layers of rock, what does this tell you about the ages of the rock layers?
Answers: 3
In aquatic ecosystem, phytoplankton and other photosynthetic organisms appear in the upper layer of...
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