When taking a radiograph of an equine limb, you take a radiograph where the portable x-ray unit source is 90 cm away from the cassette. you then move closer so that the x-ray source is now 30 cm away from the cassette. if no changes were made to the settings of the machine, what will the beam intensity be at the second radiograph relative to the first one?

Explanation:

Intensity of the beam inversely depends on the distance from the cassette

so here we can say it is

so we have

so we will have

so we have

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.