Recessions in the U. S. are officially declared by the obscure-sounding National Bureau of Economic Research, a group of economists whose Business Cycle Dating Committee defines a recession as “a significant decline in economic activity that is spread across the economy and lasts more than a few months.”how does the schoringer wave equation help to understand the probability of finding the electron near the nucleus?

@kitten...lucky u...my exams have not yet started....


@sonal06patel10...plz l don't wanna talk about it anymore...plz...l don't feel good...​