Answer:
A carcinogen can be described as any substance which can lead to cancer.
Various types of pollution produce certain kinds of ions such as metal ions which are capable of producing cancer in humans.
Studies have shown that toxic metals from waste when disposed in lakes from industries or plant areas causes the toxic metals to get accumulated in the bodies of water animals such as the fishes. These organisms when consumed by humans can cause cancer.
He is far sided ik this cuz I am near sided which is the opposite of far sided so your answer is far sided
Lo siento, no hablo muy bien el español.
La anemia de células falciformes pertenece a un grupo de trastornos conocidos como enfermedad de células falciformes. La anemia de células falciformes es un trastorno hereditario de los glóbulos rojos en el que no hay suficientes glóbulos rojos sanos para transportar oxígeno por todo el cuerpo.
Normalmente, los glóbulos rojos se mueven fácilmente a través de los vasos sanguíneos. En la anemia de células falciformes, la sangre roja tiene forma de hoz o de luna creciente. Estas células pueden atascarse en pequeños vasos sanguíneos, lo que puede ralentizar o bloquear el flujo sanguíneo y el oxígeno a partes del cuerpo.
One of the main reasons why life expectancy dramatically rose in the past century was due to different factors. One that surely contributed to them was better access to medical equipment and medical advances themselves. As well as better nutrition that was available to the common person.