D= M/V so, D=300/40 wich is 7.5 so D= 7.5g/m3
Answer:
Melting point
Explanation:
Pure substances have sharp melting and boiling points while impurities lower the melting point and raise the boiling point
The answer is protons and electrons! Hope this helps :D
Answer:
Umm i dont know but i think atomic nucleus
Explanation:
Answer:
The sky looks different in each nighttime section of the artifact because the artifact sections represent different seasons. ... Different constellations are visible on different nights throughout the year because of the earth's orbit. The Earth orbits around the sun. A full orbit is 365 days or one year.
Explanation: