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Biology, 22.06.2019 21:00
An adult inhales about 6.0Ă10â4 m3 of fresh air during a breath. only 20% of fresh air is oxygen. assume the pressure in the lungs is 1.0Ă105 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
Answers: 2
Biology, 22.06.2019 23:30
The greater an ecosystem's the more likely it is that some organisms could survive catastrophic environmental changes. a. species diversity b. producer population c. water availability d. carrying capacity
Answers: 2
Biology, 23.06.2019 02:20
Agenotype 'aa' leads to albinism in peacocks. this condition is very rarely found in nature, compared to the normal genotype, 'aa', and 'aa', as theycan be easy prey to their predators and are unable to attract mates. which types of selection forces act here? o a.directional selectionob. stabilizing selectionoc. sexual selectionresetnextŠ 2019 edmentum. all nights
Answers: 3
Are found in both viruses and in living single-celled organisms, such as protozoans and bacteria....
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