They were sent to concentration camps.
The answer is D. In caste systems you are born into a certain level of society and cannot change that.
Technology allows us to extend our own ideas into the physical world using tools and generally, the goal of this is to improve the quality of life for ourselves or others. <span>One of the downsides to adapting technology to improve our lives is that in the process, we very often hurt something else such as the ecosystem and in turn, this hurts our quality of life.</span>
Answer: from the mouth to stomach
Explanation: mechanical digestion takes place when the food travels down from the mouth to stomach. Chemical digestion occurs from the mouth to intestine.
