Question

Several kilometers from a volcano a geologist observes an old lava flow made up of a dark -colored basalt rock.The geologist infer that the lava must have had

Answer 1

Answer: been formed not too long ago from the volcanic experience

Step-by-step explanation:

Basalt is a an extrusive igneous rock formed from instant cooling of lava which is rich in magnesium and iron and was exposed close to the surface of a moon. Most volcano are rocks are basalt

The observation of a dark-colored basalt rock means been formed not too long ago from the volcanic experience.