Answer: covalent bonds
Explanation: Two covalent bonds form between the two oxygen atoms because oxygen requires two shared electrons to fill its outermost shell.
Answer:The main difference between vascular and non-vascular plants is that a vascular plant has vascular vessels to carry water and food to all the different parts of the plant. ... Non vascular plants are most commonly found in moist environments, which ensures they get enough water without relying on roots.
Explanation:
Answer: Yttruim: 39 protons, 50 neutrons, 39 electrons
Ruthenium: 44 protons, 57 neutrons, 44 electrons
~Hello there!
Your question: What state of matter has a fixed volume and a fixed shape ?
Your answer: A solid has a definite shape and volume.
The answer is option D.
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