A person goes to see a fireworks show and is in awe of the bright purple and red colors in the sky. Which metal ions produced this spectacle?
Sodium and copper

Measuring which physical property is most likely to produce the most precise results when trying to identify a substance

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?