Mayan civilization 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<span> 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 two complicated calendar systems.</span>
What is the probability that mickey will go out of exit A
1) Melting snow
A chemical change occurs when the chemical composition of a substance is changed. A physical change affects the physical properties of the substance, such as a change in the state of matter or changing the shape or size of the substance. Since melting snow is simply a change from the solid state to liquid state, it is a physical change, not a chemical change.