Concetti Chiave
- The term "trace" refers to a small amount of something, often used to indicate a clue or hint of an object's presence in a specific location.
- In investigations, "trace elements" are pieces of evidence that provide clues about materials present at a scene.
- A "sample" is a small portion used to represent the entire object, helping decide if the whole is worth purchasing or using.
- Samples, such as food at a delicatessen, allow individuals to try before buying, ensuring satisfaction with the product.
- A trial period for a sample allows consumers to test an item before committing to a purchase, ensuring it meets their needs.
Indice
Definition of trace
A trace is a very small amount of something. Sometimes, the word trace, or traces, is used to describe a hint or clue that an object or material was in a specific place.
Ex: We knew the kids were home from school when we saw traces of mud on the carpet. They always forgot to clean their shoes before coming inside.
Ex: I love going to the beach, but I won't drive my car there anymore. Last time, I was cleaning traces of sand out of the seats for weeks.
Elements of trace in investigations
The phrase trace elements is used to describes the part of something that are used as evidence in an investigation. Trace elements are the pieces or parts that give a clue about what materials were used or present in a specific place.
Ex: Sarah tried to tell me she didn't eat the missing cookie, but I saw trace elements all over her face. There were crumbs on her mouth and bits of chocolate on her cheeks.
Ex: The police knew Jack had committed the crime after finding trace elements of blood on his car door. He had also left his fingerprints on the weapon.
Definition of sample
The word sample describes a small amount of something that is used to show what the whole is like. People will use a sample of food or another object to decide if the whole thing is worth using or buying.
Ex: One of my favourite things about shopping at the delicatessen is the samples. You can always try a small amount of new foods, like cold meats or olives, to see if you want to buy them.
Ex: Before Catherine bought new curtains for the house, she showed her husband a sample. She wanted to make sure he agreed with her decision.
Trial period for sample
When you sample an object or item from a store, you use it for a trial period. The trial period is the time when you decide whether or not you want to buy the item.
Ex: Janet really wanted a pet dog, but her dad wasn't sure she was ready. So, he let her take a puppy home for a trial period only.
Ex: Whenever you start on new medication, you should use it for a trial period only. If it doesn't work for you, just try something new.
Domande da interrogazione
- What is the definition of a trace in the context of investigations?
- What does the term 'sample' mean, and how is it used?
A trace is a very small amount of something, often used to describe a hint or clue that an object or material was in a specific place. In investigations, trace elements are parts used as evidence to provide clues about materials present in a location.
A sample is a small amount of something used to represent the whole, helping people decide if the entire item is worth using or buying. For instance, food samples allow customers to taste before purchasing.
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