four elements make up living things

Using the tally chart shown, find the difference between the number of living things and non-living things. => 3 or 2 or 4 or 1..

Summary - Carbon is the eleventh most abundant element in the earth's crust by mass. Carbon is the first member of group IVA and a typical non-metal. Carbon exhibits allotropy and shows maximum catenation. Carbon occurs both in free state as diamond, coal etc. and also in the combined for..

Question: What are the two things the brook is always doing? Answer: Moving and making sounds are the two things the brook is always doin..

Question: You see this inspiring picture of enthusiastic cyclists who 'Breeze Through Life' on the third Sunday of each month. This has a deep impact on you. You give a speech in the morning assembly on 'The Benefits of Cycling'. Write out this speech taking your own ideas and those from the ..

Tom wants to make some kites. It will take 15 minutes to gather all the things required and 5 minutes to make each kite. The table shows the relationship between the number of kites and the time taken to make them. Use the rate of change to identify a linear ..

When certain metals are heated to a high temperature, they emit thermions (electrons) and the phenomenon is called thermionic emission Cathode rays are a stream of negatively charged particles emitted from the cathode of an evacuated bulb, when a voltage of nearly 3000 volts given across the t..

The first four elements namely oxygen, sulphur, selenium and tellurium are non-metals. The non-metallic character is stronger in O and S and weaker in Se and Te. On the other hand, last element is markedly metallic. However, it is radioactive and is only short-li..

Environment refers to the natural elements that make up the earth and surround living organism..

Introduction - The term environment refers to the natural elements that make up the earth and surround living organisms, making life processes possibl..

Living organisms, like any non-living matter, are composed of some basic elements. The same physical laws such as gravitation, magnetism, thermodynamics etc., also bind living organisms. Yet, living organisms differ from non-living i..