คลิกค่ะ

     Learn about different types of radiometric dating, such as carbon dating. Understand how decay and half life work to enable radiometric dating to work. Play a game that tests your ability to match the percentage of the dating element that remains to the age of the object.

    ทดลองไม่ได้ให้ download    ไป setup ก่อนครับ

นำมาจาก