Answer:
iron
Explanation:
iron reacts with oxygen easily causing rust to form. the haemoglobin in your red blood cells contains haem which is iron and that's how your body transfers oxygen all over
The fourth most abundant element in terms of mass is Carbon.
The first, second, and third most abundant element in terms of mass are Hydrogen, Helium, and Oxygen, respectively.
Hope this helps~
Answer:
the last airbender is on Netfilx
Explanation:
go watch it
The earth’s plates sliding against each other and moving under each other causes earthquakes. When plates move apart, magma comes up, thus forming a volcano.
First choice: PhH4 has a lower boiling point
Second: SiF4 higher
Third: CBr4 higher