Answer:
A derived unit is a unit that results from a mathematical combination of SI base units. Calculations involving derived units follow the same principles as other unit conversion calculations.
Explanation:
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<span>A. A nucleic acid has alternating base pairs. A protein has alternating peptides.</span>
<h3><u>Answer</u>;</h3>
D. pteridophyte
<h3><u>Explanation;</u></h3>
- <em><u>Pteridophyte are vascular plants in the phylum plants that reproduce by releasing spores rather than seeds. </u></em>
Other characteristics of pteridophyte includes;
- <em><u>They show alternation of generations, that is the sporophyte generation and gametophyte generation are observed.</u></em>
- <em><u>Sporophytes has true roots, stem and leaves</u></em>
- <em><u>Sporangia are produced in groups on sporophylls</u></em>
Our planet's magnetic field<span> is believed to be </span>generated<span> deep down in the </span>Earth's<span>core. ... The Coriolis force, resulting from the </span>Earth's<span> spin, also causes swirling whirlpools. This flow of liquid iron </span>generates<span> electric currents, which in turn produce </span><span>magnetic fields</span>
Can help prevent heart attacks
