Below is a table showing backpacks and their features. Comfortable Straps Weather Proof Stylish Total
Messenger Bag 1 0 1 2
Single-Strap backpack 1 1 1 3
Double -Strap backpack 1 1 0 2

What is the name of this type of table?

A - a trade-off
B - a prototype
C - a Pugh chart
D - a risk-benefit analysis

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

the answer to your question is tooth decay.