The stage of the design process that the designer conducts a beta test is stage 5.
Answer: C) Increase the yield of electricity
This is because the whole purpose of photovoltaics is to 'capture' electrons to generate a flow of electricity.
y=(x-2)/(1/9)
y equals x minus 2 divided by 1/9
I believe the correct one is the 2nd option .
Answer: weathering and erosion
Explanation: