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Biology, 21.06.2019 22:30
Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials
Answers: 2
Biology, 22.06.2019 01:00
Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.
Answers: 1
Biology, 22.06.2019 03:30
Which of the following typically characterizes a tropical rainforests
Answers: 1
Biology, 22.06.2019 08:00
What are the student's observations and inferences before he starts his investigation?
Answers: 3
What is an eclipse?
A An eclipse is when the moon blocks Earth's orbit.
B An eclipse is when...
B An eclipse is when...
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