Platinum is used as a catalyst to break down harmful gases in car exhaust into less harmful gases. which statement best describes platinum in this use

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

Chromosome 17 is made of over million base pairs.