Plzzz answer asapwhich statement is true about meiosis? a. it is a form of asexual reproduction. b. it is how cells reproduce themselves. c. it produces two identical daughter cells. d. it occurs before an organism can sexually reproduce.

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.