B protons are positive atoms and are inside the nucleus
Explanation:
Element Abundance percent by weight Abundance parts per million by weight
Oxygen 46.1% 461,000
Silicon 28.2% 282,000
Aluminum 8.23% 82,300
Iron 5.63% 56,300
Answer:
D
Explanation:
The proberties of the substances that are produced are different from the properties of the original substances.
Answer:
D
Explanation:
Cell membrane, also called plasma membrane, thin membrane that surrounds every living cell, delimiting the cell from the environment around it.
