Ideas for legislation can be composed by either the House of Representatives or the Senate. They can even be proposed by the President, although he can not draft legislation.
I the years from 1850 to 1900, the life expectancy in united states increased for about 13 - 15 years.
Back then, the public health and sanitation projects did a lot of works in lower-class community's environment
Since you provide no options, you can choose the one that ranged between those numbers
hope this helps
Answer: the shoulders of giants
Explanation:so it is a metaphor which means "Using the understanding gained by major thinkers who have gone before in order to make intellectual progress"
