El sol y la luna ejercen cierta atracción en mares y océanos verdaderos o falso​

Which event must happen for a case to be heard before the supreme court? a five of the nine justices must agree to hear the case. b three of the nine justices must agree to hear the case. c six of the nine justices must agree to hear the case. d four of the nine justices must agree to hear the case.

One common educational practice is to chart students' progress over time so that students can see their own improvement. these progress charts often lead to higher student achievement in the absence of other observable forms of reinforcement. the effectiveness of such charts in changing behavior illustrates the role of reinforcement as:

The impact of science and technology on international relations