Answer:
Explanation:
A peptide bond is a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water (H2O). ... Polypeptides and proteins are chains of amino acids held together by peptide bonds, as is the backbone of PNA.
Answer:
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1) About 23 percent of incoming solar energy is absorbed in the atmosphere by water vapor, dust, and ozone
2) Approximately 1.225 kg/m³
(<em>D</em><em>I</em><em>S</em><em>C</em><em>L</em><em>A</em><em>I</em><em>M</em><em>E</em><em>R</em><em>:</em><em> </em><em>It </em><em>c</em><em>hanges with variation in atmospheric pressure, temperature and humidity.</em><em>)</em>
3) The moon's gravitational pull on the Earth is the main cause of the rise and fall of ocean tides.
4) WIND
The uneven heating of the atmosphere causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.
Botonomy is the study of plants
