If object a and object b have the same density but object a has greater mass then object a must be

answer; economic order quantity;

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne

since electrons are negative the answer is neagtaive

a corroding iron, if that's one of your choices