Answer:
Threshing may be done by beating the grain using a flail on a threshing floor. Another traditional method of threshing is to make donkeys or oxen walk in circles on the grain on a hard surface. A modern version of this in some areas is to spread the grain on the surface of a country road so the grain may be threshed by the wheels of passing vehicles.
Explanation:
Hoped this helped! :D
Answer: Air pollutants have a complex relationship with climate change. Some pollutants, such as black carbon and ozone, increase warming by trapping heat in the atmosphere, while others, such as sulfur dioxide forming light reflecting particles, have a cooling effect on the climate.
Answer: The nervous system
Explanation:
The first part of the embryo to develop is the neural tube, which will become the spinal cord and brain. As the nervous system starts to develop, the tiny heart starts to pump blood, and other parts of the body—such as the digestive tract and backbone—begin to emerge.
The lower the level of the pyramid, the more important the needs are. On the most bottom part, you will see physiological needs such as the need for food and water, for shelter and for warmth, while higher up at the top you'll see things such as being esteemed as someone great or being successful at what you do. Those thing are higher because they rare less important for us than physiological needs.
