To draw a conclusion about the speed of light, why is it helpful to study data from the emission spectra of elements rather than sunlight?

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

How would you reduce the volume of gas

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude