1
Valuable enough to do
2
It is when lava comes out of the top a volcano
3
To observe and measure something for a long time
4
The exterior part of something
5
Large ocean waves that cover coastal land
6
An interesting or important part of something; a characteristic
8
Fortunate
9
Something that shows that an event is happening
10
The part that’s farthest from the middle of something; the border or the limit of something; sharpen part of something
13
Gray or black substance felt after something is burned