Im asked to match these: Adrenocorticotropic hormone (ACTH)
Antidiuretic hormone (ADH)
Aldosterone
Cortisol
Epinephrine
Estrogen
Follicle stimulating hormone (FSH)
Glucagon
Growth hormone

Insulin
Luteinizing hormone (LH)
Melatonin
Oxytocin
Progesterone
Prolactin
Testosterone
Thyroxine
Thyroid stimulating hormone (TSH)
I don't understand it

b. the carbon cycle ensures living things have a source of hydrogen

looks like the answer is     c     to me!

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )