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Biology, 21.06.2019 18:40, Bra1nPowers
Study the diagram of a desert food chain . what would most likely happen if the kangaroo rats were killed off and removed from the food chain ?
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Biology, 21.06.2019 19:00, pattyv9845
Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.
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Biology, 22.06.2019 12:00, luv4appleallday
The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods. c. it shows that these organisms share the same habitat. d. it provides evidence that these organisms suffered a genetic mutation.
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Biology, 22.06.2019 21:00, hamptonjeleesa
An adult inhales about 6.0×10−4 m3 of fresh air during a breath. only 20% of fresh air is oxygen. assume the pressure in the lungs is 1.0×105 paand the air is at a temperature of 300 k. how many oxygen molecules are in each breath? a. 1.4x10^23 b. 2.9x10^21 c. 4.9x10^-4 d. 2.9 x10^25
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Salivary amylase enzymatically breaks down glucose in the oral cavity. true or false...
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