It has to be iron because oxygen doesn’t run out unless being used by something like sticking it in a bubble.
Answer:
Neither
Explanation:
Kyle would gain potential energy and lose kinetic energy
Steel is a mixture of iron and carbon fused together with one or more other metals or nonmetals. Because steel is a mixture rather than a chemical compound, steel does not have a set chemical compound formula.
Answer:
The correct answer is option A.
Explanation:
Initial volume of the gas =
Final volume of the gas = 
Initial pressure of the gas =
Final volume of the gas = 
Using Boyle's law:
Hence,the correct answer is option A.
The acid clouds fog the important nutrients like leave and needles . this loss of nutrient make it easier for infections , insects , and cold weather to damage trees and forests
