Answer:
1. Surplus of food
Explanation:
In order to build a a society, the very first thing that human civilization need to do is find a way to settle in an exact same place for a long period of time. This could only happen if we have a surplus of food in that area.
Without it, we need to be a nomadic group. This require us to move from one place to another while seeking new source of foods. In such situation, we wouldn't have enough time to slowly develop our traditional tribes into a modern society.
Id love to do my best to answer these, would you be able to maybe make the numbers more visible and then show me the worksheet?
Answer:
The alimentary canal (also called the digestive tract) is the long tube of organs including the esophagus, the stomach, and the intestines that runs from the mouth to the anus.
Explanation:
Answer:
This statement is true
Explanation:
While this question can appear incomplete, the claim stated is in fact true. There are many people who are deciding that they do not want to vaccinate their children, and this can be bad for herd immunity.
What herd immunity is, is that if 90% of kids in a population are vaccinated (cannot transmit the disease), and they are all spread out, statistically speaking, there is very little chance of that 10% of kids meeting each other.