Scientists use the emission spectra of elements to detect
explosives in luggage.
cracks in support structures, like bridges.
sa
the possibility of an earthquake occurrence.
d)
elements in clouds of gas and dust in deep space

Choose all that apply. when creating a graph, you should: determine the x- and y- variables label the scale on the x- and y- axes plot the data points draw a line of best fit to represent the data trend

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

What is the main reason why some developing countries fear the increase the free trade policies around the world?