𝘿𝙖𝙮

day and night cycle.

A sidereal day measures the rotation of Earth relative to distant stars.

The correct answer is 12 hours.

<p>The correct answer is: Variations in Earth's orbit around the Sun.</p> Signup and view all the answers

<p>The correct answer is: Because of the Earth's rotation on its axis from west to east.</p> Signup and view all the answers

<p>86,401 seconds</p> Signup and view all the answers

<p>to align the calendar months and years with Earth's orbit around the Sun</p> Signup and view all the answers

<p>It would affect the tracking of celestial objects across the sky</p> Signup and view all the answers

<p>Timekeeping devices</p> Signup and view all the answers

<p>&quot;To aid global synchronization for activities and travel&quot;</p> Signup and view all the answers

<p>The correct answer is 24.</p> Signup and view all the answers

<p>The correct answer is 24.</p> Signup and view all the answers

<p>Variations in Earth's orbit around the Sun</p> Signup and view all the answers

<p>The correct answer is: The period it takes for the Earth to complete a full rotation on its axis.</p> Signup and view all the answers