Which elements are most abundant in living organisms?
A) oxygen, nitrogen, carbon, hydrogen, sulfur, and phosphorus
B) carbon, potassium, iron, magnesium, hydrogen, and nitrogen
C) hydrogen, carbon, calcium, potassium, oxygen, and phosphorus
D) oxygen, calcium, phosphorus, sodium, hydrogen, and carbon
A) oxygen, nitrogen, carbon, hydrogen, sulfur, and phosphorus
B) carbon, potassium, iron, magnesium, hydrogen, and nitrogen
C) hydrogen, carbon, calcium, potassium, oxygen, and phosphorus
D) oxygen, calcium, phosphorus, sodium, hydrogen, and carbon
Answer & ExplanationAnswer: A) oxygen, nitrogen, carbon, hydrogen, sulfur, and phosphorus
Explanation:
Living organisms often contain trace amounts of several elements, but the most abundant ones are oxygen, carbon, hydrogen, nitrogen, calcium, sulphur and phosphorus.
A journal is also called as a book of prime entry.Transactions occurred are first entered in this book to show which accounts should be debited and which should be credited.
on the basis of entries made in the journal, accounts are prepared, the book which contains the accounts is called a ledger. Transactions entered in the journal are classified according to their nature and posted in their respective accounts in ledger. it is also called as book of final entry.
On 1 september 1939 German armies marched into poland. On 3 September Britain and France declared war on Germany.Thus the invasion of poland marked the beginning of the Second World War. The German armies completed the conquest of poland in less than three weeks as no aid reached poland. In spite of the declaration of war, however, there was little actual fighting for many months. Therefore, the war during the period from september 1939 to April 1940 when germany invaded Narway and Denmark is known as the "Phoney War"
Two poems, credited to a poet named Homer, provide a great deal of information about the life and institutions of the early Greeks. The Iliad is the story of siege and destruction of the city of Troy, on the western coast of Asia miner. The Odyssey describes the adventures and return home, from troy , of a Greek hero, Odysseus.
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