What is the difference from adhesion and cohesion ?

see answer in the explanation

Explanation:

Adhesion is the force of attraction between different substances, like water.

Cohesion is the force of attraction between molecules of the same substance.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation:

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