MCQ
How is the drug 'heroine' synthesized?
- Afrom the glycation of morphine
- ✓from the nitrification of morphine
- Cfrom the methylation of morphine
- Dfrom the acetylation of morphine
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If mortality is represented by $-D$
If immigration is represented by $-I$
If emigration is represented by $-E$
If population density is represented by $-N$
Then population density at time $t+1$ is represented by