Answer:
A) covalent bond
Explanation:
Covalent bonding generally happens between nonmetals.
Answer:
3 elements
Calcium,oxygen and hydrogen
Answer:
The answer is B "The lithosphere is characterized by its physical state while the crust is characterized by its composition (mostly oxygen, aluminum, and silicon)
D. All of the above. Developing medicine, analyzing compounds and producing new product such as plastic all have to deal with chemistry.
