Answer:
ok not so sure about it and it is a time that they told your y
B. Old Stone Age.........................
False, as eating too many calories is unhealthy
Answer:
The suns atmosphere is composed of many layers. The outer ones are the photosphere, the chromosphere and the corona. That is where the sun's energy (light and heat) goes up from the core.
Explanation:
Medical Definition of Vaccination. Vaccination: Injection of a killed microbe in order to stimulate the immune system against the microbe, thereby preventing disease. ... To immunize against viral diseases, the virus used in the vaccine has been weakened or killed.
