Answer:
The Sacrum is
a group of five fused vertebrae that are not individually numbered, except for the first
It’s the second one I believe:)
Answer:
One should use less energy and embrace alternative energy sources such as wind or solar energy. Will try to give what is taken away from the earth by giving back to it. Such as afforestation should be done
Explanation:
The right answer is B active immunity.
For information, there is no complete immunity and incomplete immunity in immunology.
Active immunity is a form of immunity that protects the body through the production of antibodies when exposed to a first infection or vaccination.
This type of immunity is persistent. Example of measles: previously safe measles viruses are applied during vaccination.
Id say its B, it makes more sence as most bacterial contamination is brought on by poor sanitation or hygiene.
