I need help ASAP Where are instructions for traits found?

A. On chromosomes

B. On the nucleus

D. On genes

C. On the cell walls

Which of the following electromagnetic waves can create ions?

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?

Which of the following compounds would be expected to have the strongest ionic bonds? a)the compound that has b)the largest ions with the greatest charge c)the compound that has d)the largest ions with the least charge the compound that has the smallest ions with the greatest charge the compound that has the smallest ions with the least charge