_______ from the mantle rises and flows out through a vent onto Earth's surface as _______. This molten material, sometimes alon
g with ash, cinders, and rock, builds up a mountain around the vent. The vent and its mountain together are called a _______. A. Lava; magma; volcano B. Sediment; magma; fault-block mountain C. Magma; lava; volcano D. Magma; sediment; fault-block mountain
<span>A. the measure of the acidity or alkalinity of soil Alkalinity is the name given to the quantitative capacity of an aqueous solution to neutralize an acid.</span>
it is considered feedback mechanisms because the menstrual cycle only happens when the hormone is released, it causes the target tissues to react, that reaction is the feedback.
