Which system collects "trash" from the body and also helps with fighting invading bacteria and viruses? Group of answer choices

integumentary

nervous

skeletal

immune

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a. precipitation b. erosion c. migration d. condensation

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?