A photographer wants to share her photos with people in other parts of the world.
What are two reasons the photographer would choose a digital signal rather
than an analog signal to share the photos?
A. The digital signal is less vulnerable to noise and more likely to
arrive intact.
B. The digital signal can be copied many times without losing
quality.
C. The digital signal moves gradually between an infinite number of
values.
D. The digital signal could easily lose information because of noise
over long distances.

The Digital signal is less vulnerable to noise and more likely to arrive intact

The Digital signal can be copied many times without losing quality

Explanation:

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a. as the temperature increases, the kinetic energy of the gas molecules increases & the molecules move faster & further away from each other.

b. if you decrease the temperature of a fixed amount of gas at constant pressure, the combined gas law reduces to charles's law. in this case, volume will also decrease.

americans began to notice growing differences between the northern and southern sections of the country. there were more people living in cities in the north, which made it more urban. more people lived on farms in the south, which made it more rural. while many people were farmers in the northern states, there were now other ways to make a living, such as working in mechanical cotton gins factories manufacturing cloth, tools and other goods. people in the north supported high tariffs on goods imported from europe because the extra cost encouraged people to “buy american” instead. in the southern states, planters did not like tariffs because they sold most of their production to europe and bought their tools from there as well. southerners believed the protective tariff was something that only northern factory owners keep their profits high. so the southern politicians came up with an idea. they would opt out. they would simply ignore the protective tariff. it was ‘null and void’ in south carolina. the state would not collect the taxes on goods imported into south carolina, no matter what the president said they had to do. this decision led to the nullification crisis.