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Biology, 21.06.2019 23:50
Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.
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Biology, 22.06.2019 03:30
Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils
Answers: 1
Biology, 22.06.2019 10:30
Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.
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Biology, 22.06.2019 16:30
The pacific plate is an oceanic tectonic plate. how did a hot and the pacific plate interact to form the hawaiian islands?
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Mathematics, 18.07.2019 21:10
Mathematics, 18.07.2019 21:10
Computers and Technology, 18.07.2019 21:10
Mathematics, 18.07.2019 21:20
Physics, 18.07.2019 21:20
Chemistry, 18.07.2019 21:20
Mathematics, 18.07.2019 21:20
Mathematics, 18.07.2019 21:20
Medicine, 18.07.2019 21:20
Computers and Technology, 18.07.2019 21:20