What did the Egyptians use scientific laws to build? obelisks
temples
aqueducts
roads

If a swimmer is traveling at a constant speed of 0.85 m/s,how long would it take to swim the length of a 50m olympic sized pool?

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.

The government has different agencies responsible for protecting the many cultures represented in america. explain the roles of the national endowment for the arts, the national endowment for the humanities, and the national archives and records administration.