Geometric shape that is open and moves from one point to another.
Option ( A ) is the correct answer.
In a four-stroke internal combustion engine, the gas vapor/air mixture is pressurized during the compression stroke. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Dotted half note is the answer.
1) Who created the first photograph? How was this done?
The eldest photograph that we have access to is called "<em>View from the Window at Le Gras</em>" and it is dated around 1826-1827. It was taken by Nicéphore Niépce, a French inventor, in his residence called Le Gras (thus the name of the photo). He used a Camera Obscura (in Latin, dark room), also known as pinhole image, where an image is captured and then projected reversed through a small whole.
2) What is a calotype? What happens in this process?
The photographic process called Calotype (also known as Talbotype). It was created by William Henry Fox Talbot in 1841. This process works by creating a paper negative from which then is created a positive contact print in sunlight.