Suggest two reasons for using cladograms for the classification of organisms

Cladograms use lines that branch of into different directions ending at a clade, which is a group of organisms that share the same last common ancestor.
Cladograms are useful for:
1. Showing the evolutionary patterns in the organisms, and how and why did they occurred.
2. For better and easier classification of the organisms, as well as tracing their ancestors.

The right answer is b hydrogen bonds!

The short-term effect of tar on the body is increased blood pressure.