Scientists have measured the length of one Earth year to be 365.24 days.
Which observation provides the strongest evidence for this measurement?
O patterns in sunspots, solar flares, and other changes in the sun's appearance
O patterns in temperature and precipitation, observed during one year
O changes in the length of daytime observed during one year and from one location
O the changing numbers of stars that are visible in the night sky during the year

The strongest evidence for the measurement of 365.24 days for one Earth year comes from patterns in the sun's appearance, changes in daytime length, and astronomical observations of stars.

Explanation:

The strongest evidence supporting the measurement of 365.24 days for one Earth year comes from patterns in sunspots, solar flares, and other changes in the sun's appearance. These patterns repeat over a full cycle of approximately 365.24 days, providing a consistent measure of a year.

Observing changes in the length of daytime can also support this measurement, as the variations in daylight hours correlate with the Earth's position in its orbit around the Sun.

Astronomical observations of stars throughout the year showcase their position changes, demonstrating Earth's revolution around the Sun.

Learn more about Earth's revolution here:

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