Research indicates that using electronic devices before bed may make it difficult for people to fall asleep. the light appears to interfere with the body’s ability to create this hormone, which is responsible for sleep and wake cycles.

Which is the correct order pf events that occur during conception? a. ovulation, implementación , gfertilization zygote formationb. ovulation fertilization zygote formation implantation c. fertilization ovulation implantation zygote formation d. fertilization zygote formation implantation ovulation

Interactional synchrony is like an "emotional dance" between caregiver and child, wherein they send important signals and share emotions. what does this process form for the child? a. a physical foundation for trust b. a basis of the drive for independence c. positive experiences that stabilize brain connections d. a basis for attachment

Which of the following is a health risk associated with ground-level ozone? a. cataractsb. skin cancerc. respiratory illnessd. all of the above