(Q).
If a neutral atom loses an electron then an atom with a negative charge will be formed, and atoms are the smallest units of elements. Given these facts, if the smallest unit of an element is neutral and it loses an electron what charge is formed among the following options: - positive  - nucleus  - negative  - energy  - Energy.  - iron  - electrically  - uncontrolled
(A).
negative


(Q).
Tunicates reproduce sexually, and tunicates are sea creatures encased by tough membranes, reminiscent of tunics. Given these facts, sea creatures encased by what reproduce sexually among the following options: - barnacles  - refraction of light  - layers of fat  - Epidermis  - tough membranes  - ocean water  - gastropod shells  - epidermis and dermis
(A).
tough membranes


(Q).
Agraduated cylinder is used to measure volume of a liquid, and volume is typically measured in liters or milliliters. Given these facts, what could be used to to measure how many milliliters something is among the following options: - solid, liquid, gas  - A graduated cylinder  - objects that have mass  - an electron microscope  - The bending of a ray of light  - deoxyribonucleic acid  - a hydraulic system  - microscope
(A).

A graduated cylinder