Examlex
Solve the problem.
-How many different ways can you make change for a 50-cent coin using quarters, dimes, and nickels?
Nitric Oxide
A reactive gaseous molecule that plays important roles in various physiological and pathological processes within the body, including vasodilation.
Abscisic Acid
A plant hormone that regulates plant growth and development, especially processes like seed dormancy, germination, and responses to environmental stress.
Guard Cells
Specialized cells in the epidermis of leaves, stems and other organs that regulate gas exchange and water loss by opening and closing the stomatal pores.
Calcium
A chemical element crucial for building bones and teeth, blood clotting, and supporting muscle and nerve function.
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