Ash can be harmful to an environment. It mostly depends on how much ash there is though. If a volcano erupted such as Mt. St. Helen's then yes that can harm an environment. Ash can cover the sky and block out the sun for days before disappearing and that will affect the life of plants
The answer would be vitamin and mineral deficiencies.
The small intestine has a role in food digestion and absorption. Bypassing most of the small intestine will reduce the food transit time there, thus reducing the amount of substance that can be absorbed.
These surgery supposed to help diabetes type 2 patient, not making it worse. It should be not related to kidney or muscle.
This is possible because when a star dies, it basically expands to its maximum (explodes). Therefore, the materials of the exploded star mix with the primeval hydrogen of the Universe. Later, other stars are formed out of this mixture. Thats also how the sun was formed. :)
Gonna need a bit more information then that if you want an answer.
The prey is likely to decrease/decline if the predator's population increases