“We call it fall because leaf fall down!” she exclaimed, highlighting the difference between UK and US terms for the season. It’s a funny video, but if dictionary Merriam-Webster is to be ...
Most of the year these colors are masked by great amounts of green coloring. But in the fall, because of changes in the length of daylight and changes in temperature, the leaves stop their food-making ...
So they do fall off! That’s because the tree has been cut down and cannot uptake water anymore. As the tree loses water, the leaves, or needles, become unable to create food anymore, so they ...
5 个月on MSN
The colder temperatures trigger the trees to shut down for the winter ... "We do have some data that suggests a later leaf ...
Chlorophyll is the green chemical that captures the sunlight and this breaks down in autumn, showing the other colours underneath. The leaves fall, thousands of tons of them and three members of a ...
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