How does reverberation occur

Alow cost, low earth orbit (leo) satellite is to be fabricated at a university, for subsequent launch by rocket. what are the constraints and objectives for selection of a material suitable for the satellite bus (i.e. the structure)? explain each in brief. (15 marks) b)suggest sources of data which could support the selection of materials for applications in space. (5 marks) c) set weights for the objectives listed in (2a) using the digital logic method. (5 marks)

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.

If element x has 99 protons how many electrons does it have