Throughout centuries, mankind used different methods to measure time. List
the methods below historically from oldest to newest.
To measure time
1. People used back and forth motion (ossilation) of pendulums.
2. People used water dripping at a constant rate.
3. People used ossilation of quartz crytals placed in an electric circuit.
4. People used the shadow of a stick as sun travels across the sky.
5. People used atomic clocks using Cesium atoms.

it is very well related to a lot of things but with my limited knowledge i can confidently say that the answer is space.

the correct choice is a .

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the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d