When looking across the period table from left to right, which is the first group that contains nonmetals?

Can you think of a way a rock unit with an older fossil could be above a rock until with a younger fossil? describe the scenario.

Explain vector addition, triangle method and parallelogram method

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.