(Q).
Phase changes do not change mass, and melting is a phase change. Given these facts, what does melting not change? among the following options: - energy - vapors - fats - mass - liquid - ligt - heat - copper
(A).
mass

(Q).
Molecules of DNA are encoded with instructions that tell cells what to do, and dNA DNA DNA is a person's genetic fingerprint. Given these facts, what tells cells what to do among the following options: - sensory neurons - a person's family - a person's lungs - It helps them survive - a person's genetic fingerprint - Something coming from a gland - a person's skin - absorb light energy
(A).
a person's genetic fingerprint

(Q).
If something is outside during the day then that something will receive sunlight, and chlorine is dissipated rapidly by sunlight. Given these facts, what make chlorine dissipate rapidly among the following options: - being kept in the dark - local weather changes - fissures of hot, acidic water - being outside at night - being outside during the day - circulatory systems - being contained in a bottle - The bending of a ray of light
(A).
being outside during the day