Answer:
Typically, a leaf consists of a broad expanded blade (the lamina), attached to the plant stem by a stalklike petiole. In angiosperms leaves commonly have a pair of structures known as stipules, which are located on each side of the leaf base and may resemble scales, spines, glands, or leaflike structures.
Explanation:
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A “biological annihilation” of wildlife in recent decades means a sixth mass extinction in Earth’s history is under way and is more severe than previously feared, according to research. Scientists analysed both common and rare species and found billions of regional or local populations have been lost. They blame human overpopulation and over consumption for the crisis and warn that it threatens the survival of human civilization, with just a short window of time in which to act.
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Answer:
highly folded surface of the inner mitochondrial membrane
Explanation:
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B--Condensation. <span>Condensation </span>is<span> responsible for the formation of </span><span>clouds,</span>
The buffer systems functioning in blood plasma include plasma proteins, phosphate, and bicarbonate and carbonic acid buffers. The kidneys help control acid-base balance by excreting hydrogen ions and generating bicarbonate that helps maintain blood plasma pH within a normal range.
