What two elements make up the most abundant seawater salt? How many types of salt are there? What are salt bridges in chemistry? What are ionic compounds composed of? What compound is O2H? What is ammonium chloride? What are ionic compounds?
A. The elements of salt. B. The bodies of water of the world. C. The many forms of ocean life. D. The salinity of ocean water. 答案 D正确答案:D解析:主旨大意题。结合文章的标题,通读全文会发现,整篇文章都在说海水含盐量的变化。因此选择D。相关推荐 1What does the passage mainly discuss?
Saliva and tears both contain sodium and chloride, the two elements that make up salt. Normal saliva does not taste salty because the body adapts to low levels of these chemicals. If the amount of sodium chloride in spit increases from medication or disease, salty saliva occurs. Saliva ...
A compound comprises atoms of different elements chemically bonded together and thus oftentimes compounds have characteristics fundamentally different than the elements that make them. The word salt in chemistry actually means any product from a neutralization reaction e.g. Potassium Chloride. However, ...
What are non-metal elements? What elements are in salt? What types of natural elements are mined for nuclear power? What elements are in baking soda? What is the chemical composition of the lithosphere? What natural elements make plaster?
Venus. Depressed return, make it. Demanding. To finish doing something successfully. To make someone feel very unhappy. To involve oneself or become old. They put in something. All the income produced by a particular source. To keep something. To rent the things. That is the. Two rings ...
So what I’ve done is I’ve taken Sternberg’s three elements of love: intimacy, passion and commitment, and I’ve listed out the different kinds of relationships you would have if you had zero, one, two or three out of the three elements. 出自-2016年12月听力原文 Professor Henderson, ...
Mixturesare formed by just mixing or 'intermingling' (another word which means the same as 'mixing') together two or more substances.Those substances may also be referred to as 'constituents' or 'components' - and may be eitherelementsorcompounds, and be composed of eitheratomsormolecules.There...
What elements are in salt? Which group contains mostly synthetic elements? What elements make up the mantle? Which element group contains radioactive synthetic elements? What elements are found in toothpaste? What is another name for the representative elements?
What two chemical elements are in carbon dioxide? What is a common name for sodium bicarbonate? What elements are in salt? What chemical elements are in nail polish? What is the chemical formula of baking powder? What is the symbol of sodium bicarbonate?