Barnacles live on whales. whales carry their barnacles around, which the barnacles feed. the whales are unaffected. this is an example of

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are