When managed for human consumption, a renewable resource represents a balance between an ecosystem's health and human needs. A resource that is renewable is
readily available or easily replenished, but often requires management in order to
prevent depletion. Only using resources we need and helping to ensure they are
around for future generations is one way to live sustainably. Due to depletion and
unsustainable practices; which of the following is a renewable resource that is at risk
of becoming nonrenewable?
sun
wind
soil
rock

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

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.