I thinks it's C although I'm not 100% positive.
By atomic radius, the bottom left
Answer:
Fluids (air/water) either as water vapour or oxygen and carbon dioxide.
Explanation:
Heat transfer occurs through conduction, convection or radiation.
Many aties, this involves fluids whose molecules have been activated by heated by heat, moving from hotter to cooler regions, allowing for heating or cooling of the rooms.
Building materials have varying conductivity.
When earth turns once it's a day
Answer:
a new substance is formed, if heat is formed, color change, the evolution of gas, and bubbles or fizzing
