Scientists found evidence of a fish that lived millions of years ago. The fish had features that
were possibly used to move on land. This fish is
now extinct.
What scientific evidence did the scientists most
likely find that confirmed the existence of this fish?
a fossil
B.
a description
C.
a photograph
D.
a cave drawing

Which of the following statements is true? question 4 options: nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.

Why are the trends and exceptions to the trends in ionization energy observed?

Light waves travel than sound waves.