What makes plants the beginning of the food chain? please answer my question aswell as my last one!

Plants are at the beginning of the food chain because they can’t protect them self from bugs and animals eating them. plus plans eat there own kind of food in the ground.

Noble gases is far right

Any vitamins or supplements can be obtained without prescription and are widely used as alternative from western medications. most supplements are not valued by the fda or any other drug and food agencies.