Physics, 04.08.2019 02:10 nauticatyson9
Extensive phosphate mining on a island has exhausted its mineral resources and made the soil unfit for agriculture. this has caused discontent among residents of the island. which of these is the most effective method to solve this problem? a) rebuilt the ecosystem by importing animals and plants b) start the process of tilling the land to use it for agriculture c) formulate and implement a plan to rehabilitate the residents d)appoint geologists to find new phosphate rich areas on the land
Answers: 1
Physics, 22.06.2019 04:50
Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0β with respect to the polarizer, what is the intensity of the light that reaches the photocell?
Answers: 1
Physics, 22.06.2019 06:30
Air initially at 0.75 bar, 1000 k, and occupying a volume of 0.12 m^3 undergoes two processes. process 1-2: the air is compressed isothermally until the volume is halved. process 2-3: the air undergoes a constant pressure process until the volume is halved again. assume ideal gas behavior. a) determine the mass of the air, in kg. b) the work and the heat transfer for each of the two processes, in kj. (100 kj = 1 bar . m^3)
Answers: 1
Physics, 22.06.2019 21:00
Earth's atmosphere is composed of mostly two gases. name the two gases that make up the majority of the atmosphere and use the pie chart to tell the percentages of each.
Answers: 2
Extensive phosphate mining on a island has exhausted its mineral resources and made the soil unfit f...
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