Element X is more reactive than lithium and magnesium but less reactive than potassium. Which element is most likely to be X? Na
Rb
Ca
BA

It is Likely to Be Sodium (Na) coz as You Down The group the reactivity increase

- decrease the number of plants and animals living in the water.

conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object. collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object. the objects must be in physical contact.