A(n) is an abbreviation for the name of an element and has either one or two letters.
1.) atomic mass
2.) chemical symbol
3.) nuclear fusion
4.) periodic table
5.) group
6.) plasma

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.