Mayans had many breakthroughs in astronomy and mathematics. Priest studied the sky with observatories. They were able to track the movement of stars and planets with great accuracy. The Mayans used their observations to calculate the solar year. The Mayan figure for their year of 365.2420 days is amazingly precise.These calculations allowed the Mayas to create their solar calendar of 365 days. They also had a sacred 260-day calendar. Every 52 years, the first date in both calendars fell on the same day. This gave the Mayas a longer unit of time that they called a Calendar Round. For the ancient Mayas, this 52-year period was something like what a century is to us.
The Mayas also recognized the need for zero.
One of the Aztecs’ most remarkable technological achievements was the construction of their island city Tenochticlan. the aztecs enlarge the area of the city by creating artificial islands called chinampas. Today many people visit those chinampas and their flowers vendors. The aztecs adapted the Mayan solar and sacred calendars. The calendar was useful for farming , since it tracked the seasons. One of the most famous Aztec artifacts is a calendar called the Sun Stone. Dedicated to the god of the sun, this beautifully carved stone is nearly twelve feet wide and weighs almost twenty-five tons. The center shows the face of the sun god.
Answer:A. Companies use investments to pay for services that improve their productivity.
Explanation:
The best description of the relationship between investments and productivity is that A. Companies use investments to pay for services that improve their productivity.
Investments made by companies include:
Increasing the production capacity factories
Buying more efficient machinery and equipment
Hiring more people
All of the above are needed to improve productivity which means that if a company wants to improve its productivity, it will need to make investments that enable it to do so.
In conclusion, investments are needed to increase productivity.
You hear a scream and some loud noises from a few feet away in the crowded school playground. Walking across the playground, you tell yourself to stop and check the scene for safety first.
Avoiding dimly lit locations can help you feel safer, but you shouldn't assume that everything is safe and secure there.
Regardless of where you go or whether you walk alone, it is imperative that you pay attention to your surroundings and exercise caution. You can take a variety of precautions to guarantee your safety at night.
Make sure to map out your trip in advance. This can prevent you from getting lost if you are walking in an unfamiliar region. You'll be able to stroll with assurance.
Never use your phone while walking for social calls or listening to music. In the event that you spot something fishy, your phone can save your life.
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