I remember taking this test if a choice is to (ensure consistent quality standards) then that is the answer if not sorry.
Mary would start with a hypothesis such as, "I believe that plants with no soil will not grow because there are no nutrients coming from the soil for the plant to grow"
Then she would put the plan in place to start her experiment. She will get the same type of seeds, the same amount of water and sunlight. The only difference between the 3 plants is that one plant will have no soil, the second plant will have 1 inch of soil, the third plant will have the correct amount of soil.
She will run the experiment for 2 weeks to see whether the plants have grown and what the conclusion is. She will record how much the plants have grown every day, she will measure the height of each plant.
At the end of 2 weeks, she will gather all her data and come to a conclusion.
Answer:
There is little doubt that the widespread use of the automobile, especially after 1920, changed the rural and urban landscapes in America. It is overly simplistic to assume, however, that the automobile was the single driving force in the transformation of the countryside or the modernization of cities. In some ways automobile transport was a crucial agent for change, but in other cases it merely accelerated ongoing changes.
In several respects, the automobile made its impact felt first in rural areas where cars were used for touring and recreation on the weekends as opposed to replacing existing transit that brought people to and from work in urban areas. Some of the earliest paved roads were landscaped parkways along scenic routes. Of course, rural people were not always very pleased when urban drivers rutted unpaved roads, kicked up dust, and generally frightened or even injured livestock. Yet, cars potentially could help confront rural problems—isolation, the high cost of transporting farm products, and the labor of farm work. Although farmers may have resisted the automobile at first, by the 1920s per capita automobile ownership favored the rural family. Adoption was uneven in rural areas, however, depending on income, availability of cars, the continuing reliance on horses, and other factors. Automobile manufacturers did not lose sight of this market and courted potential customers with advertisements touting that cars were “Built for Country Roads” or promoting vehicles that would lead to “The Passing of the Horse.”
Explanation:
hope it helps LOLOLOOOLOLOLOLOLOLOLOL
I'm pretty sure that the answer to this one is going to be C.