B.The amount of sea water is increasing.C.The coastal water bodies are dangerous. D.The Earth becomes warmer and warmer.【2】What can we infer from Denise Breitburg's words?A.Different oceans have different levels of oxygen.B.The decline in ocean oxygen has great influences.C.The future...
Once a landfill is full, it is safely covered with earth. A park or a road can then be built on top of it.Another way to deal with rubbish is to burn it. This produces energy but can give out harmful gases into the air. In some places, people clean the harmful smells before ...
Student: The greenhouse effect is when gases in Earth's atmosphere act like the glass in a greenhouse or a hothouse. They trap in heat which warms up the earth. Professor: Gases like? Student: Um, water vapor? Carbon dioxide? Professor: Right. Carbon dioxide. ...
Water: It is a chemical compound made by two molecules of hydrogen and one molecule of oxygen. It exists in all three phases of nature. It is the most important human need for the survivor on earth. Answer and Explanation:1 D 2
An earth battery is a type of water-activated battery that produces an electrical current using electrochemical reactions in the soil. Made from just four simple components - copper cathodes, zinc anodes, copper wires, and wet earth - an earth battery produces enough energy to power lamps and ...
根据第三段中The Great Green Wall will stop the wind from blowing the earth away. It will stop the sand from moving towards the rich farmland in the south. It has already saved a lot of land.以及最后一段中But thanks to the Great Green Wall, the land produces more crops.可知答案为C。
Tell your mom or dad that you want to recycle things and help remind others which things can be recycled.Enjoy the earth-walk in the woods, plant a tree, and eat some of the delicious food that it produces.44. The first paragraph tells us. A. how the earth is polluted B. how we ...
What plant produces the most oxygen on Earth? Among these plants,phytoplanktonproduces the most oxygen. According to NASA Observatory, phytoplankton are microorganisms that live in the water. Like land plants, phytoplankton use chlorophyll to capture sunlight, and through photosynthesis, they produce oxy...
Dynamite, a high explosive combining nitroglycerin with an absorbent medium such as wood pulp or diatomaceous earth, revolutionized construction and mining. Dynamite is one example of a chemical explosive, or anything that, once ignited, burns extremely rapidly and produces a large amount of hot gas...
So in the soon-to-be famous movie, the Cement Monster That Enveloped the World, all the puny earthlings need to do to save civilization is get the concrete too cold, too hot, or too dry and he turns into a weakling. Our objective, though, is to help him envelope the earth and to ...