Are elements added to the ocan at a faster rate than they are removed

Prior to the mt. st. helens eruption on may 18, 1980, satellite and topographic views of the volcano were captured. based on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m? question 9 options: 600 m 400 m 750 m 500 m

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

What is any method of measuring the age of an object or event in years, such as using atomic half-life?