Which memory system is preserved the longest, even into alzheimer's disease?

1. which of the following is correct regarding opiates/opioids: a. they all have a natural component as a starting pointb. they have low addiction possibilitiesc. methadone binds to some of the same receptorsd. a and care correcte. all are correct

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight. which of these is most likely effect on the ecosystem?