Which graph shows negative acceleration? graph a shows negative acceleration because the velocity is changing. graph a shows negative acceleration because the velocity is increasing. graph b shows negative acceleration because the velocity is decreasing. both graphs show negative acceleration.

Its B

Explanation:

the only liquid elements at standard temperature and pressure are bromine (br) and mercury (hg). although, elements caesium (cs), rubidium (rb), francium (fr) and gallium (ga) become liquid at or just above room temperature.

explanation:

it's c (engineer's do their work with mechanical stuff not on any living being)