What does na+ represent? select all that apply.
a positively charged sodium ion
a sod...
Answers: 2
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Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?
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Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above
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Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.
Answers: 2
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