Answer:
There will be two forces acting on her: Gravitational force and Air resisitence
Methods of extraction include: extract by electrolysis, extract by reaction with carbon or carbon monoxide, and extracted by various chemical reactions.
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Answer: Cold Ocean Currents: It is the layer of the ocean water which moves due to the stress of blowing the wind and this motion is thus called as Ekman Transport. Deep Water Currents: They constitute about 90% of the ocean water. They move around the ocean basin due to variations in the density and gravity.
Answer:
Photons strike the CD 
Explanation:
First of all, it is necessary to calculate the energy produced by a semiconductor laser for 69 minutes:
Next, it is possible to calculate the number of photons striking the CD surface during this time:
long in CD
light velocity
Solve to n'
Answer:
A scientific law describes an observed pattern found in nature without explaining it. The theory is the explanation.
