The geologic time scale was first developed in the 19th century ...

[stevenposner]

The geologic time scale was first developed in the 19th century using radiometric-dating techniques.
  Indicate whether the statement is true or false

Question 2

Natural selection refers to the ability of organisms to choose the habitat in which they feel most comfortable.
  Indicate whether the statement is true or false

[mariahkathleeen]

Answer to Question 1

False

Answer to Question 2

False

[stevenposner]

Gracias!

[zacnyjessica]

Thanks for the timely response, appreciate it