Answer:
Cilia that line our respiratory system help trap dust and other foreign particles, thereby preventing them from further entering our body and causing problems.
A) A vaccine is developed that prevents individuals being infected
Answer:
The seven characteristics of life include:
responsiveness to the environment;growth and change;ability to reproduce;have a metabolism and breathe;maintain homeostasis;being made of cells; and.passing traits onto offspring.
Explanation:
hopefully that helps you
This is all i know about caves: Caves are large, natural holes beneath the surface of the earth. Underground passages and caves are found in rocky landscapes across the world. They are found in areas with a lot of limestone, a common type of rock. They can be created in various ways, but most caves are hollowed out of rock by water.
