What is it called when something depends on sunlight and altitude?

Hand washing is an important behavior that can cut down your chances of becoming sick with a communicable disease. select the best answer from the choices provided. t f

Which of the following is not a possible cause of conduction deafness? a) cochlear nerve degeneration b) middle ear infection c) impacted cerumen d) otosclerosis

Witch form of birth control could people use without. altering hormonal systems or blocking sperm from fertilizing an egg