The may have been caused by a vaporizing comet.
a. oort event
b. halley event
c. tunguska event
d. halle-bopp event
plz

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.