Answer:
Phytoplankton production is necessary to begin a food web in an ocean ecosystem.
Explanation: Hope it helps you :)))))))
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Answer:
C. Vaccination
Explanation:
vaccination is the administration of a vaccine to help the immune system develop protection from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism.
The nurse can give the following instructions:
1. the procedure will most likely last for ten minutes
2. since it is still an infant, the child will be put under anaesthesia
3. a pulsed dye laser treatment will be given
4. if general anaesthesia will be given, then there are special rules for eating and drinking restrictions before procedure
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two hydrogen bonds are formed between adenine and thymine
Answer:
1. Sewage
2. diarrhea
3. atmosphere
4. 100 gallons of water
5. agricultural pollution
6. water cycle
7. water
Explanation:
