A student thinks that the sun is a huge ball of fire that provides the energy for earth. What would you say to him?

This is how zirconium appears in the periodic table. rounded to the nearest whole number, how many electrons are in an atom of zirconium?

There are weak or strong attractive forces between atoms of liquids with a high viscosity

The a992 steel rod bc has a diameter of 50 mm and is used as a strut to support the beam. determine the maximum intensity w of the uniform distributed load that can be applied to the beam without risk of causing the strut to buckle. take f.s. = 2 against bucklin