D probably Australian aboriginals were not exposed to these viruses and their body couldn’t fight it off
Where's the problem? I can not see the problem
Answer:
Make an observation.
Ask a question.
Form a hypothesis, or testable explanation.
Make a prediction based on the hypothesis.
Test the prediction.
Explanation:
So a social group is a group of people that share similar characteristics. And they are important because it gets you to interact with peers. The last question is one you have to answer on your own so I play baseball and I am a Highschooler so therefore two Social Groups for me would be Baseball, and Highschool
I hope this helps :)