North American bird population is declining. The decline is accelerating in regions associated with intensive agriculture.

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What are Moon phases?According to NASA, the Moon takes about 29.5 days to orbit the Earth. Over the course of this period, it moves through eight recognisable phases. While the same side of the Moon always faces us, the amount of its surface lit by the Sun changes as it continues along its path. The shifts in sunlight create the different appearances we see from Earth, ranging from a fully illuminated Moon to a thin sliver or near darkness. The eight phases are:

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追逐它,不要放手。去做那件颠覆的事,那件掀翻现状的事,那件不仅挑战现状,而是重塑它的事。你可以做到。