Answer:
Glass is the most common material used to construct lens elements, due to its good optical properties and resistance to scratching. Other materials are also used, such as quartz glass, fluorite, plastics like acrylic (Plexiglass), and even germanium and meteoritic glass.
The act or statement describing something you have seen or heard is Observations. Option E is the answer.
<h3>What is Observational research?</h3>
observational research makes use of inference from what is seen.
It makes use of many approach it include which behavior observation, physical and visual examination.
It also uses direct observation where nature or natural things are observed.
Therefore, The act or statement describing something you have seen or heard is Observations. Option E is the answer.
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Answer:
Explanation:Daniel Hockney,Henri Matisse, Leonard Da Vinci
Answer:
Not neccecarily.
Explanation:
They can be intemite and exclusive ut not romantic. It could just be for the fun of it. But in most cases, they are romantic rather than just for fun.
This would be a major interval
