If electromagnetic radiation has a frequency of 2.0×1015s−1, what is the radiation’s energy?(1 point) 3.0 ×1048J
3.0 ×1048J

3.3 ×10−49J
3.3 ×10−49J

1.3 ×10−18J
1.3 ×10−18J

9.9 ×10−41J
9.9 ×10−41J

Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

Often on a topographic map, every fifth contour line is darkened. what is this line called? a. key b.slope c.benchmark d. index contour