A true
<span> Before agriculture was developed people mostly were nomadic in nature. They moved from place to place in search of food. Some of them were groups of hunter gatherers as well. When agriculture started people also started to settle down in groups. This led to the development of civilization and in modern day cities and towns. The first agricultural practices were started beside the river banks due to the reason that the soil was very fertile and water for irrigation was also easily available. </span>
Answer and Explanation:
The mouth is part of the digestion system.
Mechanical Digestion is the physical motion our mouth makes to chew up the food. We grind up the food with our teeth, then swallow the food into the next part of the digestive system.
Chemical Digestion in the mouth is the saliva our mouth produces. It breaks down the food along side the mechanical part of the mechanical digestion.
<u><em>#teamtres #PAW (Plant And Water)</em></u>
Answer:
Water is important to give you energy and Water is also VERY important for your health.
1- The crust
2- The upper mantle
3-The inner mantle
4- The core (in some cases there are five and there is and inner and outer core)
Hoped this helps!! have an amazing day!