Intensity refers to the amount or degree of strength (or power) of electricity, light, heat or sound per unit area or volume.
Answer:
SODIS is a method of purifying water using clear plastic bottles and natural sunlight.
The UV rays produced by the natural light kills any bacteria, virus, or other harmful substances.
Answer:
The opportunity cost of painting a house is higher for Alex Rodriguez than for the high school student
Explanation:
An opportunity cost may be defined as a loss of any potential gain in the group of certain alternatives out of which one alternative is chosen.
In the context, when Alex Rodriguez, a famous player hires a student in order to paint his house, it seems that the opportunity cost is higher for Alex Rodriguez when compared to the high school student whom he hired to pain the house. This is because the school student is not professional in painting skills but Alex would have hired a professional painter then the painter would have done the job better than the school student.
By practicing what you learn from your struggles of life.
