Which of these triggers puberty in males?
a. progesterone
b. estrogen
c. oxytocin
d. testosterone

Which popular american sandwich is made by placing a beef patty inside a bun?is an american classic prepared by placing a fried or barbequed beef patty in a bun.

Fill in the blanks to complete the labels on this model of replicating dna! super

What is difference between an epidemic and a pandemic? a) an epidemic is a disease; a pandemic is a treatment. b) an epidemic is restricted to a local region; a pandemic is global. c) an epidemic has low mortality; a pandemic has higher mortality. d) an epidemic is caused by a bacterial infection; a pandemic is caused by a viral infection.