Is a health bar that helps rescue workers perform in low-oxygen conditions as well as they can perform in a normal-oxygen environment possible? What is your reasoning?

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

Give the orbital configuration of the phosphorus (p) atom.

Explain that newton first law,second law and third law of motion?