50 ! a student is riding the bus to school. as he rides, he studies a worksheet for a quiz while listening to music on his smartphone. once he arrives at school, he sits at his desk in homeroom.

which resource in the scenario is renewable?

the diesel used to fuel the bus
the paper used to print the work sheet
the aluminum used to make the desk
the plastic used to make the smartphone

the paper used to print the work sheet

Explanation:

The paper used to print the worksheet represents a renewable resource within the scenario presented in the question above. This is because paper is made from vegetable raw material, a raw material abundant on our planet and that can be renewed frequently through the planting of new plants that can be used as raw material for the manufacture of paper.

it enhances antibody production by t cells of the adaptive immune system.

hope i'm right

explanation:

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".