Oceanic-oceanic plate convergence also results in the formation of undersea volcanoes. Over millions of years, however, the erupted lava and volcanic debris pile up on the ocean floor until a submarine volcano rises above sea level to form an island volcano.est Answer: When two oceanic plates converge one is usually subducted under the other and in the process a deep oceanic trench is formed.
The more significant figures the more accurate the data will be. Significant figures are important because they indicate the degree of accuracy - the minimum amount by which a quantity is distinguished to be different from a similar amount. The more significant figures the more accurate the data will be.
At that point, the star is on the main sequence. It's All About the Mass. Mass plays an important role in simply driving the star's fusion action, but mass is quite a bit more important during the life of the star. The greater than the mass of the star, the greater the gravitational pressure that tries to collapse the star.