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which of the following is an example of a positive feedback? a low level of oxygen in the blood triggers production of red blood cells, which transport oxygen. an increase in blood sugar level stimulates the pancreas to secrete insulin, which lowers blood sugar level. a tear in the lining of a blood vessel triggers the accumulation of blood platelets, which cause blood to clot. nextreset

What is the chance of two parents with blood types ab and o producing an offspring with blood type o a.0% b.25% c.75% d.50%

Why do german shepherds shed so much

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound