Answer: a star expels most of its outer material until only the hot core remains, which then settles down to become a young a white dwarf
Explanation:
Although they are radically symmetrical,echinoderms are more closely related to human than to a jellyfish because they are biltarian.
Answer:
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This means means that it's not as strong as a covalent bond. A hydrogen bond occurs in water when the oxygen, which is slightly more negative than the hydrogen, becomes attracted to another water molecule's hydrogen. ... On the other hand covalent bonds require the sharing of electrons between atoms.Jun 29, 2014
Archaea bacteria live and thrive in extreme environments (extreme salt, extreme temperature), whereas eubacteria live best in more 'normal' environments that are closer to what we (humans) are used to.
