Answer: index fossils
Explanation: i looked up each of the names you listed then them to see what would match and index fosil means "a fosil that is usefull for dating and correctlating the strata in which it is found
It should be like this:
Trees are decorated with shiny ornaments at Christmas time.
(86×109) - (43×103) = 9374-4429 = 4945
Explanation:
You first multiply both numbers in the brackets , then you subtract
The compound could be Silver Chloride (AgCl).
<h3>What is Silver Chloride?</h3>
Silver chloride is commonly known to be a chemical compound denoted with a chemical formula (AgCl). It is a white crystalline solid and it has low solubility in water.
Due to its sparing solubility in water, AgCl can be separated from other compound mixtures by using a separating technique known as FIltration.
Learn more about Silver Chloride here:
brainly.com/question/5160870