Explain why it was for scientists to compare substrate samples in the arson case discussed in the video.

It is good for scientists to compare samples because then they can find the differences of the two and do more experiments

Helps link different cases

Explanation:

There are many chemicals that can be used to start a fire in an arson case. Many chemicals are known as accelerants, a specific kind of chemical known for starting fires quickly.

In arson cases, the substrate is referred to as the chemical that starts the fire. If a substrate is used in multiple cases, scientists can then let the police know that the incidences may be linked.

i think it can have both positive and negative effects on businesses.

for example:

lets say you own a small business and taxes go up 4% that means it is going to cost your business more money to buy product to sell. but at the same time you make more money from the tax rise.

that is my theory.

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explanation: