Ariana explains to her sister that there are some things you cannot see with your eyes, such as atoms. Which is a reason that some things cannot be seen with just your eyes? (A)Matter is made up of even smaller parts. (B)Matter that is tiny is too far away.(C)Matter moves faster as it gets smaller. (D)Matter that is small is too hot to see. This is (10 points) help

explanation: well the force of an object when it lands sitting on the ground isthe force of a wide rage of situations crucial to physics? ; ( i 'm trying my best to alot but im not smart enofe you for giving me this chance though! 3(

in chemistry, a solution’s concentration is how much of a dissolvable substance, known as a solute, is mixed with another substance, called the solvent. the standard formula is c = m/v, where c is the concentration, m is the mass of the solute dissolved, and v is the total volume

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

50.23 i believe is correct but don't quote me on that.