Einstein hypothesized that, if something could travel faster than the speed of light, it would break fundamental physical laws by being able to observe, relatively speaking, a stationary electromagnetic wave. Thus, for his theory of relativity to work, he hypothesized that the speed of light must remain constant.
Answer:
D
Explanation:
because it made it quicker and it was more reliable than slaves therefore farmers made more profit
Answer:
<h2>Mayan civilization </h2>
<h3>lasted for more than 2,000 years, but the period from about 300 A.D. to 900 A.D., known as the Classic Period, was its heyday. During that time, the Maya developed a complex understanding of astronomy. They also figured out how to grow corn, beans, squash and cassava in sometimes-inhospitable places; how to build elaborate cities without modern machinery; how to communicate with one another using one of the world’s first written languages; and how to measure time using not one but two complicated calendar systems.</h3>
<h3>Maya historians have generally settled on a combination of three main factors which could have caused the Maya collapse: warfare between city-states, overpopulation, and drought</h3>
Explanation:
<h3>I hope I help </h3><h3>please BRANLIES ME OK THANK YOU</h3>
Examples of the Provisions of the Social Security Act of 1935 were the following;
- To provide retirement planning for people
- Grants to maternal and child welfare
- Old-age benefits
- Grants to state for dependent children
- Public health work
- The term <em>state</em> includes Alaska, Hawaii and the District of Columbia
These, of course, are not all of the provisions- as the Social Security Act had several different parts and sections, but this should be a good head start.
Hope this helps,
LaciaMelodii :)
