Answer:
<em>A. Tribes became caught up in open conflicts and violence.</em>
Explanation:
Option C, Millions of people had completely moved to hot cities like Phoenix and Las Vegas as the meaningful way air-conditioning systems influenced people in America.
<u>Explanation:
</u>
In a week when the country's temperatures hit over and over the 1990s, it seemed normal how they should sit indoors. Nonetheless, the cold summer indoor atmosphere is nothing but a perfect oasis of unnatural coolness, which a buddy, the air conditioner gives to everyone.
Almost all of the main adjustments which have not been feasible since the Second World War were that our homes and places of work have not been cooled by air conditioning.
During the latter part of the 20th generation Florida, California, Texas, Arizona, Georgia and New Mexico witnessed superior growth — difficult to imagine without air-conditioning. Actually, the Sunbelt population was growing from 28% in 1950 to 40% in 2000. In warm regions of the world, including Dubai, the centre of technology and business never took off.
Answer:sunlight on the other side of a fence
Explanation: The phenomena to exhibit a response is called Phototropism. Plants like other autothrops manufacture their own food through the process of photosynthesis, to do this, they need to water, carbon dioxide, and minerals in the presence of sunlight. Phototropism occurs when plants grow towards a source of light.
Therefore sunlight on the other side of a fence is the only cue from the options that can make a plant to respond.
<span>The american federation of labor was instrumental in achieving the establishment of the Department of Labor. The Department of Labor was created in 1913 to help improve the work conditions for U.S workers, promote the welfare of U.S. wage earners and help employers find workers. It also protects worker's retirement and health care benefits, strengthens the free collective bargaining, and tracks changes in employment and wages.</span>
