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The main ingredient of cells is water. Water is needed to maintain homeostasis. Cells are also made up of macromolecules—nucleic acids, lipids, proteins, carbohydrates. These macromolecules help maintain a cell's structure, help cells communicate with each other, aid in energy storage, etc.
<span>These are all parts of a lesson plan. A lesson plan is used by an educator to outline in detail the course they are instructing. A daily lesson plan is a guide by which the class will learn. It changes depending on the course covered, needs of students, and the type of teacher.</span>
<span> refers to the </span>transition<span>from high birth and death rates to lower birth and death rates as a country or region develops from a pre-industrial to an industrialized economic system.
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Temperate climates are generally defined as environments with moderate rainfall spread across the year or portion of the year with sporadic drought, mild to warm summers and cool to cold winters.
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the answer is
b. it carries blood towards the heart