Polylactic acid is the correct answer
Answer:
by the looks of it the answer you have is correct
Explanation:
Answer:
Rooftop Solar Panels, Wind Turbines, Solar Oven, Hydro Power, Solar Water Heating, and Solar Air Conditioning.
Explanation:
Physical properties can be observed or measured without changing the composition of matter. These are properties such as mass, weight, volume, and density. Remember that density is a physical property.
Question 4 is <span>A. longitudinal waves </span>
