Find the antonyms: a: mobile, insufficient, liquid, slowly, the greatest, the same, natural, to lower, compressive, to decrease, rapid, below, important, to stop b: rapidly, slow, the least, immobile, incompressive, to rise, different, unimportant, sufficient, to begin, solid, to increase, chemical, above

Mobile- immobile; insufficient- sufficient; liquid- solid; the greatest- the least; the same- different; natural- chemical; to lower- to rise; compressive-  incompressive; to decrease- to increase; rapid- slow; below- above; important- unimportant; to stop- to begin.