What effect does overfishing have on a marine ecosystem? OA It can lead to overconcentration of mineral elements.
ОВ. It can lead to loss of species or ecosystems.
OC. It can lead to increase in marine debris.
OD. It can lead to decrease in ocean pH levels.​

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

The carrier molecules of the electron transport system are located in the

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now