A. rust because rust is the only chemical weathering listed in the answers that i know of
Hope this helps!!!!!!!!
Carbohydrates
I'm not sure but....Please correct me if I'm wrong!! :)
Microplastics that make up the majority of garbage patches can't always be seen by the naked eye. Satellite imagery of oceans doesn't show a giant patch of garbage.
Usually, volcanic ashes and cooled lava contain different minerals that plants can use. Therefore, usable.