Ammonia and are waste products of animal cells. oxygen urine hydrogen carbon dioxide

Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

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

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an