Physics, 03.12.2021 20:30 kaytlyn16

The first three strong radio sources, discovered by Reber in the 1930s and 1940s, included all of these EXCEPT Group of answer choices supernova remnant. distant galaxy. globular cluster. galactic nucleus

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Answer from: Quest

a and b sometimes have a positive value

For which optical devices does d sometimes have a positive value

Answer from: Quest

It won't lose or gain electrons if it's a covalent bond it shares the electrons with another atom or atoms. if it is an ionic bond it will lose the 3 electrons on the outer shell and become a positively charged ion. credit goes to @sunshinebaby of answers.yahoo.com.

Answer from: Quest

the unit of the measure = $\frac{j}{kgk}$

explanation:

the property that is quantified by the energy needed per of material to raise the temperature by one.

si unit of energy = joule (j)

si unit of temperature = kelvin (k)

si unit of mass of material = kilogram (kg)

the property that is quantified by the energy needed per of material to raise the temperature by one is called specific heat.

the unit of specific heat is $\frac{j}{kgk}$

Answer from: Quest

i don't understand. explain it clearly

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The first three strong radio sources, discovered by Reber in the 1930s and 1940s, included all of th...