Answer:
Your chances of getting in a plane crash are about 0.007% based on what I read in a magazine a few years back. 26, 2020 The odds of being killed on a single airline flight are one in 4.7 million. After that, the likelihood of a plane crash is much lower and people can relax into the flight.
Early civilizations used plants as medicine.
Answer:
1: Call 911 and ask someone to do it
2: Lay that person on their back and open their airway
3: Check for breathing in the pulse, if they're dead, start the CPR
Do 30 chest compressions
Do 2 mouth to mouth rescues
Repeat the process until the po po come for you
The answer is A - pneumonia
So its acquired immunity and the cells responsible are the B lymphocytes that produces antibodies against the virus. Memory is keep since first encounter of the virus by the immune system by way of the antibodies that was initially produced. The antibodies are there already, which makes it fast to act upon when expose again.
