Carbon-14 can be used to determine the ages of both a
1.
quartz crystal and a calcite crystal
2.
lava flow and a granite intrusion
3.
mastodon bone and a human bone
4.
trilobite fossil and a dinosaur fossil
1.
quartz crystal and a calcite crystal
2.
lava flow and a granite intrusion
3.
mastodon bone and a human bone
4.
trilobite fossil and a dinosaur fossil