The National Cancer Institute (NCI) has screened approximately 35,000 plant species for potential anticancer activities. Among them, about 3,000 plant species have demonstrated reproducible anticancer activity
Your answer would most likely be letter
B. Biosphere
<span>Somebody expects to see evidence of deep sleep which is in stage 4 on the EEG record of a person who is engaged in an episode of sleepwalking.
Sleepwalking is also called somnambulism.
It is termed as a phenomenon which is combined with sleep and wakefulness. It is sleep disorder which is classified to parasomnia family.
Sleepwalkers they have no memory of the incident. It occurs during slow-wave sleep of eye movement sleep which is non-rapid.</span>
The answer to question 7 and 8 are both b.
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