These cells consume bacteria and other pathogens to protect the body from infection. The process begins when chemicals from a pathogen, or damaged tissue, attract a phagocyte. The phagocyte binds to the microbe, envelopes it, and then eats it.
If businesses can improve the efficiency of the factors of production, it stands to reason that they can increase production and create higher quality goods at lower prices. Any increase in production leads to economic growth as measured by GDP.
They are renewable natural resources. They move round and round in cycles and never run out. For example a horse eats a plant the horse gets eating by another animal the cycle goes on an on an on
