Miller's experiment proved that primitive living matter can be produced under the same conditions

Primitive earth

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1. Who can help me explain what the principle is? First, choose a number (0 - 7) to indicate the number of times you want to go out every week. Multiply this number by 2 [3], then add 5 [4], and then multiply by 50 [5]. If your birthday this year has passed, add 1757 to the number. If not, add 1758 [6] the last step, Use this number to subtract the year of your birth [7] and now you will have a three digit number [8]. The first digit is the number you choose at the beginning (that is, the number of times you want to go out every week). The next two digits are your age (birthday is one year old, birthday is empty year old)
2. Macroeconomics topic selection and explanation If Bulge Bank has a required reserve ratio of 10 percent,loans of 25000dollars,deposits of 100000dollars,value cash of 10000dallars,and reserves at the Fed of 65000 dollars,then the bank a)has excess reserves of 55000 dollars b)has excess reserves of 75000 dollars c)has excess reserves of 65000 dollars a bank has 200dollars in checking deposits,800dollars in savings deposits,700dollars in time deposits,900 dollars in loans to businesses,300dollars in outstanding credit card balances,600dollars in government securities,10dollars in currency in its vault,and 20 dollars in deposits in its reserve account at the Fed.The bank's reserves are equal to A)630 B)620 C)10 D)20 E)30
3. Three people went to a hotel together. A room costs 30 yuan a night The next day when the check-out. 3 people a person out of 10 yuan. Raised 30 yuan to the boss After the boss collected the money, he said to the waiter: today's discount. Only 25 yuan So the boss took 5 yuan to the waiter and asked him to return it to the guest But the waiter was greedy. He deducted 2 yuan and gave back 1 yuan to the guest Here's the problem: Three people and one person took out 10 yuan. They took back 1 yuan. That is, one person took out 9 yuan Plus the 2 yuan deducted by the waiter. So it's 3 * 9 + 2 = 29 yuan Excuse me: where's 1 yuan left?
4. Please explain the following questions with the knowledge of structural theory (1) In general, organic compounds have low melting and boiling point, low density, volatile and soluble in organic solvents (2) Under normal circumstances, the rate of organic matter participating in the reaction is small, and by-products are produced
5. By using Thevenin's theorem and Norton's theorem, the graphic circuit is transformed into an equivalent voltage source and an equivalent current source, and the solution of open circuit voltage uo and short circuit current is explained I understand,
6. The reason of error in the experiment of verifying the correctness of Thevenin's theorem and Norton's theorem May I ask why there may be errors when doing experiments to verify the correctness of Thevenin's theorem and Norton's theorem
7. Why do Thevenin's theorem and Norton's theorem have different zero setting methods for voltage source and current source when calculating equivalent resistance? one
8. What are the rules of the periodic table of elements
9. What is the relationship between biotic and abiotic factors in ecosystem?
10. What are the three elements of educational legal norms
11. What can the lightning in Miller's experiment provide for the experiment?
12. Can stone be turned into gold with the knowledge of chemistry? Why?
13. In the theorem of mathematical definition, the condition that explains the restriction must be satisfied, and the condition that has not been explained can be satisfied or not?
14. Set a = {& Oslash;}, {& Oslash;, 1}, B = {& Oslash;, 1}, {1} Find: (1) a ∪ B (2) a ∩ B (3) A-B (4) a ∪ B - a ∩ B (5) P (a)
15. There are several main ways of atmospheric motion
16. Which three forces affect the atmospheric motion near the ground
17. Factors affecting air pressure I'm a senior high school student. Still in geography, atmospheric movement, the problem of air pressure: low density, the air pressure is also low. But what about temperature? What's the relationship between temperature and air pressure? Please tell me
18. The reason why it is too cold at high altitude at the same latitude is () A. Low air pressure B. thin air C. less solar radiation arriving D. less ground radiation arriving
19. Does the vertical motion of the atmosphere refer to the thermal circulation Does vertical motion in atmospheric motion mean thermal circulation? I think thermal circulation includes both horizontal and vertical motion
20. The calculation of the earth's motion is a compulsory course in geography of senior one