Both of the Mayans and the Aztecs developed advanced calendars and had a keen understanding of astronomy.
Answer/Explanation:
An irrigation system represents a stable food supply because it is how they controlled water to be able to plant crops. A second most important artifact that is in the category of stable food supply is the plow. Agriculture produced enough food that people became free to pursue interests other than worrying about what they were going to eat that day.
Answer:
(B) Noise, pyschological
Explanation:
Psychological noise occurs when the person trying to heed the propagated message begins to let his mind wander over another subject. It is a noise present in the head of the person, which ends up impeding the understanding of the message, that is, the communication itself. Like Tracy, who is trying to make a communication about work, but her mind insists on thinking about the death of her dog.
Answer:
Summer Solstice
Explanation:
Summer Solstice is also known as midsummer. It occurs in June in Northern Hemisphere and in December in Southern Hemisphere. In Northern Hemisphere, it occurs sometime between June 20 to June 23. And in Southern Hemisphere, it occurs sometime between December 20 to December 23.
<u>The summer solstice occurs when one of the poles of Earth is maximum titled towards the Sun. On this day, the </u><u>daylight is long</u><u> and </u><u>the sun reaches its highest point in the sky</u>.
So, the correct answer is the summer solstice.
