Simple machines and man power. Egyptians used complex combinations of simple machines such as pulleys and levers to hoist heavy limestone onto each other. Of course, this also required a good deal of physical strength.
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Three strategies which local municipality is implementing in addressing lack of clean water are: First, Local municipality can fund reliable water projects that serve villages and schools. Next, dams and rain catchment system can also provide reliable source of drinking water. Lastly, train the community or educate about sanitation facilities and hygiene then multiply the impact.
Answer:
longitudinal study
Explanation:
Longitudinal studies are typically observational studies, as they are usually limited to observing the sample elements without manipulating factors that may alter the variables of interest. For example, to verify the effectiveness of a treatment for posttraumatic stress disorder, researchers can analyze the psychological status of the study subjects before and after treatment. This is because a longitudinal study is one that evaluates how the variables behave in the research participants over a given period of time.
Another example of this type of study is what is happening to Alice, where researchers ask her to answer a questionnaire each year so they can assess how her attitudes and preferences have changed over the course of a year.
Answer:
u suppose to ask yii=our teacher
Explanation:
I believe the answer is:
- Grow different crops
During early jamestown experience, the colonists learned that crops cannot grow in all climate, they had to experiment and found out the type of crops that were ideal to be cultivated at the jamestown.
- Working together would have been more beneficial.
Because of this, they decided to form their own government to ensure that everybody acted based on a certain standard.
-. Planning ahead on how to govern. would have been more beneficial.
This mean that they created a plan regarding leadership circulation after the current leader of the government stepped down.