could you please specify?
Potassium is the 19th element so it is B
Answer:
His results gave the first evidence that atoms were made up of smaller particles.
ويويوسوسوسميىيىطنطنظنسنسنمسم ستسري ستي تس ستي تس ستي تس ستي سر س
The forces that drive Plate Tectonics include: Convection in the Mantle (heat driven) Ridge push (gravitational force at the spreading ridges) Slab pull (gravitational force in subduction zones)