what is photosynthesis?

koi hai?¿

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

Which of the following words describe the reality that the universe looks the same from various perspective

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver