State of equal concentration of a molecule, such as on both sides of the cell membrane. A. concentration gradient
B. diffusion
C. equilibrium
D. passive transport

straight or amphibians are homeothermic to thermal

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

thats not a question