Cross-cutting can give insight to whether or not a certain layer is older or younger than what is cross-cutting it. Say if a dike was cross-cutting layer A, then layer A is older than the dike.

The cross cutting intrusions can be used to determine the age of the rocks.

Cross Creek Programs was created in 1988.

there is none.

The role of the international committee of the Red Cross is to coordinate the national branches. Red Cross is involved in rescues missions and disaster management all over the world.