I would go with b-genetic engineering (:
Answer:
Explanation:
El sistema inmune es una red compleja de células y proteínas que defiende al cuerpo contra las infecciones. El sistema inmune mantiene un registro de todos los gérmenes (microbios) que ha derrotado para poder reconocer y destruir el microbio rápidamente si ingresa nuevamente al cuerpo.
c. food production is the answer
Very simply, I think that they may block the sun's rays from reaching the Earth, cooling down the planet, or they may eventually end up being turned into acid rain and rain back down to the Earth.
Answer:
The answer must be c: natural selection
Explanation:
All the other answers only help rappid food production which will lessen the use of natural selection over time.