A compound is a molecule made of atoms from different elements. All compounds are molecules, but not all molecules are compounds. Hydrogen gas (H2) is a molecule, but not a compound because it is made of only one element. ... Atoms that share electrons in a chemical bond have covalent bonds.
"A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. ... Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems."
What is the rate of motion of the Amur plate? Express your answer in .
✔ 5 mm/year
Where would the plate be after 1 million years? Express your answer in m.
✔ 5,000 meters east
What geologic feature will form between the Amur and Eurasian plates?
✔ new ocean floor
