Answer: a. The elements iron in the nail and oxygen from the air combine to form the compound rust.
Iron, Fe: is an element
Oxygen, O: is an element
Rust, Fe3O4: this formula identifies the product as a compound
There are two types of vesicular transport processes, exocytosis and endocytosis. Endocytosis is the process which is involved in the toxin entering the neuron. This process is where cells intake waste or chemical transmitters which are suspended or dissolved in the extracellular fluid around the cell. <span />
Answer:
Aluminium
Explanation:
Ionization energy is the amount of energy needed to remove an electron from a gaseous atom to form a gaseous ion.
The difference between the third and fourth ionization energies is great. This indicates a group III element which is in the third period.
This element is Aluminium (Al)
Answer: I believe it could be an analog device
Explanation: An analog device broadcasts information continuously
D i had taken the test already.