So we know that 1 km=100,000 centimeters, because 100 cetimeters =1 meter and 1,000 meters=1 km. Multiplying the two gets 100,000. Now there are 7.5 cm, so divide by 100,000 to get distance in km. .000075 is your final answer.
I believe it is Sand. because when sand hardens it's like a type of case that conceals things like bones hope this helps and have a great day :-)
Answer:
D. Legumes
Explanation:
These plants will fix nitrogen into the soil, and are a natural fertiliser.
The answer is D. Knowing that cholera is spread by contaminated water, they could take necessary precautions to make sure they had clean water supplies. As illustrated in the article, the <span>"white, flocculent particles" were discovered to be in the water sample taken from a pump. When the handle of the pump was removed so no one can take water from it, the spread of the cholera disease significantly dropped. </span>
