根据“Because trees can be easily influenced by local climate conditions, such as rain and temperature"及“For example, tree rings usually grow wider in warm, wet years and they are thinner in years when it is cold and dry"可知,正因为树木易受周围环境影响,所以才能给人们了解气候 变化提供信息...
One of reasons is people are cutting down many trees to build their houses. And the bamboo is becoming less and less. another reason is people have hunted a lot of pandas for their fur. I think we should do someth...
What is the legal height of Leylandii trees? Leylandii trees should be grownno taller than 2m in height. That being said, if a hedge is below that height and still being a nuisance to neighbours, they are within their rights to report to the council who will ultimately decide the accepta...
A. He protected the rivers and trees. B. He helped others with their study. C. He planted trees near his school. 答案 A相关推荐 1What did the speaker do as a volunteer? A. He protected the rivers and trees. B. He helped others with their study. C. He planted trees near his ...
In addition, when we go shopping, we can take recyclable bags instead of using plastic bags, which are a main source of pollution because they are hard to break down. Finally, we can seek chances to plant trees,which can absorb carbon ...
protected and promoted forests for diverse reasons, ranging from the need for wooden warships to a desire to promote suburban house-building. (54) Nowadays forests are increasingly welcome because they suck in carbon pollution from the air. The justification change; desire for more trees remains ...
First, we can plant more flowers and plants. It can purify air, carries on the photosynthesis, carbon dioxide into oxygen, trees can save a lot of ground water, prevent soil erosion, solid earth, also can withstand the sand. How important the trees are! We can think of environmental prote...
First, the researchers suspended a light bulb from a rope between two trees--resembling a typical downward-pointing light— —and in a separate test, they turned the light upward by mounting it on a tripod (三脚 架). In both cases, insects leaned their winged backs to the bulb. But ...
"Forest" and "Forrest" are two words that, while they sound similar, have distinct meanings and uses. "Forest" denotes an expanse of land dominated by trees and undergrowth. 16 In contrast, "Forrest" is commonly recognized as a given name or surname. When you hear "Forest," you might ...
It may be said, however, that rivers and streams are relatively fast moving; marshes and swamps contain relatively large quantities of grasses, trees, or shrubs; and ponds are relatively small in comparison to lakes. Geologically defined, lakes are temporary bodies of water." ^ http://...