Answer: A
Explanation: Vaccines create memory cells with a weak version of the pathogen, so when they meet that pathogen again the body can respond more quickly and more efficiently since they have already been exposed to the pathogen.
Answer:
El objetivo principal del Protocolo de Montreal es la protección de la capa de ozono mediante la toma de medidas para controlar la producción total mundial y el consumo de sustancias que la agotan, con el objetivo final de eliminarlas, sobre la base del progreso de los conocimientos científicos e información ...Explanation:
porq si
The correct answer is b. Head movement → Inner ear receptors → Vestibular nerve → Cerebellum.
The balance and equilibrium of the body is maintained by inner ear in the human beings. The parts of internal ear which takes part in balancing and equilibrium are the semi-circular canals and the vestibule. On the movement of head, the otoliths are pull in the direction of gravity.
It is highly basic with low hydrogen ion concetration