The structures that annelids use are palps, antennae, eyes, statocysts, nuchal organs and lateral organs.
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Answer:
Ptolemy: 48 constellations described in his great work, The Almagest, in the 2nd century AD.
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The 88 Constellations recognized by the International Astronomical Union.
Answer:
The more mechanical energy is lost in the transfer to other forms of energy, the less efficient the machine. Machines lose some energy in the form of heat due to friction. The more moving parts a machine has, the more energy it loses to friction because the parts rub together.
Answer: Amino acids
Explanation: There are 20 different types of amino acids that can be combined to make a protein. The sequence of amino acids determines each protein's unique 3-dimensional structure and its specific function. Amino acids are coded by combinations of three DNA building blocks (nucleotides), determined by the sequence of genes.
In the given situation, the payback period decreases as the electricity cost increases, i.e., option C is correct.
<h3>What is payback period?</h3>
The payback period is the amount of time required to recover the cost of an investment or to reach the breakeven point for an investor.
Shorter payback periods indicate more appealing investments, whereas longer payback periods indicate less desirable investments.
In the given situation, the payback period decreases as the electricity cost increases.
Thus, the correct option is C.
For more details regarding the payback period, visit:
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