Valuable, rare minerals known are often used in jewelry. true/false

The Answer is TRUE (T)

Explanation:

Rare,expensive material such as diamonds and gems is most requested but like I've said expensive. Why is the material so expensive? Gems are hard to find and diamonds start off as a hard rock years of pressure will finally get u to the center.which is where the main diamond is located. Hope it helps. : )

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d