Answer:
chewing gum
Explanation:
when chewing gum you'll likely think back to the last time you had gum. The trick is to study while chewing gum and, when you chew another piece of gum, you'll remember back to when you had it earlier along with the information that you remembered as you were chewing the gum.
B. because the rock is formed and it goes younger as it grows the rock is still old on the inner layers but it adds new layers as it goes
AGCT. Adenine, Guanine, Cytosine, Thymine.
