I think its the 2nd one but I'm not positive
Answer:
electrons
Explanation:
bc i know big brain stuff
Answer:
Fish that conform to the biological definition are often referred to as true fish or finfish. There are three major groups of finfish: superclass Agnatha (jawless fish), class Chondrichthyes (cartilaginous fish), and class Osteichthyes (bony fish).
The goldfish is a pet. In a home it is in a secure taken care of aquarium and will only grow to fit the size of the aquarium it is in.
C. 20 because 39-19 is 20 so there are 20 neutrons and the atomic number is the same as number of protons and electrons.
