Answer:
Scientists are creating vaccinations that prevent people from getting the bird flu. If the virus mutates, a new vaccine will need to be made. The vaccine needs to be tested, which can be dangerous. It will also take a long time for scientists to know whether the vaccine works or not.
Explanation:
The flu vaccine is injected under skin in a inactive form and the immune system responds with antibodies to the food protecting you from the future exposure to the flu. That's why sometimes you get the flu even though you got a shot because there's different forms of the flu.
Answer:
"Bending the knee" is a formal act of submission to a king, queen or lord, a recognition of authority and a demonstration of fealty.
Explanation:
The evidence that is available that shows there of early people were able to specialize in doing activities that made life better for the whole society is the use of compass.
This was an instrument that was invented by Chinese scientists in the 11th or 12th Century that helped them navigate the sea to facilitate trade.
<h3>What is an Evidence? </h3>
This refers to the use of details that proves that a thing is true or false.
Hence, we can see that based on the historical innovations and inventions by people in the earlier period that produced materials that made life better for the whole society, some examples can be given.
Some of them are:
- Compass
- Telephone
- Fax
- Abacus, etc
Read more about evidences here:
brainly.com/question/25658352
#SPJ1
Dear Harry,
That is true and I am very excited to be coming to stay at your house and get to know you better. I am hoping that my parents will have a great time too. I go to school every day and my favorite activity is soccer. My friends and I often go to the nearby coffee shop and do some coding. I can’t wait to show you. Tell me more about you!
Keep in touch,
X
