Plz will mark

what natural factors do scientists study to understand long-term climate change? check all that apply.

earth’s position
pollen grains
tectonic activity
volcanic activity
solar energy

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.

Anurse used a 0.02-mg/l solution of disinfection to clean a patients wound. what is the concentration of the solution expressed as a percentage?

What is the popular use of lithium batteries