The statement which best explains why carbon is present in so many kinds of molecules is because <u>it can form four covalent bonds.
<em /></u>It isn't rare on Earth, so A is incorrect. It has valence electrons, so C is incorrect. It cannot become an ion, so D is incorrect.<u>
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Answer:
A person instinctively curls over his abdominal area in times of danger. Why? To prevent a smaller target and also to protect the internal organs and genitalia.
Explanation:
The ribs because there Ike a shield to the organs
Answer: B - A battery with wires
Explanation: The mitochondria is the cells source of energy
Answer:
The Pacific Plate is moving to the northwest at a speed of between 7 and 11 centimeters (cm) or ~3-4 inches a year. The North American plate is moving to the west-southwest at about 2.3 cm (~1 inch) per year driven by the spreading center that created the Atlantic Ocean, the Mid Atlantic Ridge.
Explanation:hope it works for you:)