Archive day

March 19, 2026

1,259 public questions were asked on this day.

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Before the cells in a person's body can use the food that the person eats, the food must be A. physically heated to 100°C. B. physically changed into a solid. C. chemically changed into heat. D. chemically broken down in...
Asked by Jay 1 answer
Sugar molecules can be oxidized in the cells of animals. This oxidation releases energy for the animal to use. From what source do the cells get these molecules? A. air B. sunlight C. food D. water
Asked by Jay 1 answer
Many types of animals have internal skeletons. A large part of these animals' masses is located in their bones. As an animal grows, its skeleton grows. A growing animal must increase the size of its bones. To do this, th...
Asked by Jay 1 answer
If the amount of dark matter and energy is above the critical level, what will happen to the fate of the universe? The expansion of the universe will stop, and its volume will remain the same. The expansion of the univer...
Asked by I do connexus 1 answer
The hydrogen-to-helium ratio is an important piece of evidence for the big bang. What is the minimum hydrogen-to-helium ratio observed? 1:1 2:1 3:1 4:1
Asked by udontknow 1 answer
Which of the following indicates that the universe is expanding? The spectra of Cepheid variables, which are found in all galaxies, are blue shifted. The spectra of Cepheid variables, which are found only in our galaxy,...
Asked by udontknow 1 answer
Which of the following indicates that the universe is expanding? The spectra of Cepheid variables, which are found in all galaxies, are blue shifted. The spectra of Cepheid variables, which are found only in our galaxy,...
Asked by udontknow 1 answer
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Asked by xsjyBldb 1 answer
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Asked by xsjyBldb 1 answer
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Asked by xsjyBldb 1 answer
555'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),3)||'
Asked by xsjyBldb 1 answer
555'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),6)||'
Asked by xsjyBldb 1 answer
555'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15)||'
Asked by xsjyBldb 1 answer
555'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15)||'
Asked by xsjyBldb 1 answer
555*DBMS_PIPE.RECEIVE_MESSAGE(CHR(99)||CHR(99)||CHR(99),15)
Asked by xsjyBldb 1 answer
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Asked by xsjyBldb 1 answer
555BbAZ7zF0') OR 566=(SELECT 566 FROM PG_SLEEP(15))--
Asked by xsjyBldb 1 answer
555b5Spots7') OR 484=(SELECT 484 FROM PG_SLEEP(15))--
Asked by xsjyBldb 1 answer
5558VtsjF4z' OR 473=(SELECT 473 FROM PG_SLEEP(0))--
Asked by xsjyBldb 1 answer
555XrshHS3D' OR 154=(SELECT 154 FROM PG_SLEEP(3))--
Asked by xsjyBldb 1 answer
555XTysrsah' OR 717=(SELECT 717 FROM PG_SLEEP(15))--
Asked by xsjyBldb 1 answer
555AZO0B1jo' OR 831=(SELECT 831 FROM PG_SLEEP(6))--
Asked by xsjyBldb 1 answer
555eHlvXq5q' OR 142=(SELECT 142 FROM PG_SLEEP(15))--
Asked by xsjyBldb 1 answer
555-1)) OR 883=(SELECT 883 FROM PG_SLEEP(0))--
Asked by xsjyBldb 1 answer
555-1)) OR 226=(SELECT 226 FROM PG_SLEEP(3))--
Asked by xsjyBldb 1 answer