This ball is technology too! It can be
rolled, kicked, or thrown. Is that a need
or a want?

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

The heliocentric and the geocentric models of the solar system included these central principles

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th