Answer:
Aqueducts
First developed around 312 B.C., these engineering marvels used gravity to transport water along stone, lead and concrete pipelines and into city centers. Aqueducts liberated Roman cities from a reliance on nearby water supplies and proved priceless in promoting public health and sanitation.
Concrete
Many ancient Roman structures like the Pantheon, the Colosseum and the Roman Forum are still standing today thanks to the development of Roman cement and concrete. The Romans first began building with concrete over 2,100 years ago and used it throughout the Mediterranean basin in everything from aqueducts and buildings to bridges and monuments. Roman concrete was considerably weaker than its modern counterpart, but it has proved remarkably durable thanks to its unique recipe, which used slaked lime and a volcanic ash known as pozzolana to create a sticky paste. Combined with volcanic rocks called tuff, this ancient cement formed a concrete that could effectively endure chemical decay. Pozzolana helped Roman concrete set quickly even when submerged in seawater, enabling the construction of elaborate baths, piers and harbors.
Taoism (also known as Daoism) is a Chinese philosophy attributed to Lao Tzu (c. 500 BCE) which developed from the folk religion of the people primarily in the rural areas of China and became the official religion of the country under the Tang Dynasty. Taoism is therefore both a philosophy and a religion.
Answer:
The main reason for other countries' growing need for American colonial goods was that "American raw materials were of better quality than those grown elsewhere", which was especially true for the cotton and tobacco industries.
Explanation:
Answer:
the weather
Explanation:
in places the weather would always change and it would make plants die.
The answer this question is: <span>a small portion of what is going on
Study shows that humans only using 10% of what our Brain is actually capable of. Which means that even though we're awake and alert, we could only pay attention to certain things which usually the most important to us before we could move on to take care another smaller things.</span>
