They used it for telling the weather if it was gonna rain or be cloudy or snowy. they also used it to tell the time. if it was dark- it was night. if the sun was rising it was morning.
Answer:
1) Liquid hydrogen has the lowest density of any liquid.
2) Hydrogen is the chemical element with the symbol H.
3) Hydrogen is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass.
4) Atomic mass: 1.00784 u
5) Atomic number: 1
Answer:
A cell is made of different structures that work together and keep a cell alive.
Explanation:
The answer is a hope this helps
The word that has a meaning closely related to the meaning of the word "expeditious" is C. efficient.
Expeditious means fast, quick, and in this context, <em>efficient </em>has the closest meaning to it.
