Answer:
i would choose bg and 78 degress and ty nb guhi jmio
Explanation:
<h2>
Answer: C) stars in these regions are hidden by interstellar dust grains.</h2>
Explanation:
Some areas of the Milky Way seem dark because those are areas of the galaxy that are hidden by huge columns of interstellar dust that we cannot see through the visible range of the electromagnetic spectrum (which is the range in which our eyes see).
However, to solve this problem, astronomers use telescopes that work in the range of infrared and radio waves, to observe a little more through this intersetelar dust.
Answer=
Nuclear energy now provides about 10% of the world's electricity from about 440 power reactors. Nuclear is the world's second largest source of low-carbon power (29% of the total in 2018). Over 50 countries utilise nuclear energy in about 220 research reactors.
Answer: D
Explanation: Maintaining a watch for at least a half hour after completion of welding operations is not a responsibility of a fire watch.
A fire watch has the responsibility of detecting fires early so that they can be extinguished quickly thus preventing or minimizing damages to land and property. They are familiar with alarms systems and procedures, maintaining fire fighting equipment and also trained in their use.
Fire watches are often employed in forested areas with risk of fires (high) or in industrial settings where hot work is occurring such as welding or metal grinding.
