Answer with Explanation:
The "passenger pigeon" used to be North America's most popular bird. Their population even reached<em> 3 billion</em> (or even more). They always traveled together. Their decline in number was noted in the<em> 19th century</em>. People became interested in hunting them for food because<em> they were relatively cheap and tasty</em> . They were also a<em> great source of protein</em>. It was easy to hunt them down although they could fly very fast because<u> their flocks were huge in number.</u> Some people killed them because <em>they didn't want the birds ruining their crops</em>. Their<u> nesting grounds</u> were also disturbed, which ultimately drove them away from the forests. People were overkilling them, and this sped up with the <em>advancement of technology</em>. The number of pigeons killed outnumbered the newborn pigeons, and after decades of hunting them down, their number dwindled with the<em> last one passing away in </em><em>1914.</em>
Answer:
The bonds are covalent and hydrogen.
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Answer:
Because of outer planets' extreme environments, it is improbable that they would contain any life. Outer planets are the farthest from the Sun; as a result, some lack necessary heat to support life, while others are hotter than expected for undetermined reasons.
Explanation:
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Answer:
a. First Step: The sugars are broken down to simple glucose molecules and the proteins and lipids are broken down to acetyl-CoA molecules. No energy is produced in this first step.
b. Second Step: Glycolysis converts the glucose to two molecules of pyruvate. Six ATP molecules are produced in this step.
c. Third Step: Oxidation of each pyruvate produces two molecules of acetyl-CoA. Six ATP molecules are produced in this step.
d. Fourth Step: Two acetyl-CoA molecules go through the Krebs (citric acid) cycle. Twenty-four ATP molecules are produced through this process.
e. All of the above steps are part of the break down of the candy bar's macromolecules.
Explanation:
