Gold is one of the densest substances known , with a density of 19.3g/cm. if the good in the crown was mixed with less valuable metal like bronze or copper , how would that affect its density

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

Match with o for organic and i for inorganic for each compound

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.