Please Help Quick ASAP
Which example best shows conservation of resources?

leaving the lights on when leaving a room

using a new disposable plastic bag to carry groceries

let the water run while brushing your teeth

walking instead of driving a car to get to the library

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.