Large waves that form when waves meet opposing currents are

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

Irelanda. populationb. square mileagec. average population density per square mile

Following lenins death, who took control of the soviet union