Astronomers have seen stars forming within a nebular cloud. As the nebular cloud condenses and its own gravitational attraction collapses it, heat and energy build up creating a planet.
Answer:
I think A, "Primary pollutants from a stationary source"
Explanation:
Got it right on exam :)
Answer: it is called Bradycardia.
Explanation:
Bradycardia is a slower that normal heart rate. The heart rate of adult human usually beats between 60 to 100 per minutes . A testing heart rate less than 60 beats per minutes is called Bradycardia with the exception of Adult in deep sleep. It could be a serious problem if the heart could not pump oxygen rich blood to the body. It is caused by damaged of heart tissues from heart disease or due to aging. Heart disorder from birth or infection of heart tissue
<span>The location in which a person is more likely to receive an echo of the soud being sent is at least 16.6. meters in front of the reflecting surface. Therefore, the answer is to this item is letter A. The speed of sound without any interference is only about 340 m/s traveling through the vibration of the media in which it passes through. </span>
1 km=1000m
1 m=100cm
1 m=1000mm
