The placenta is usually functioning to deliver nutrients and oxygen to, and remove waste from, the embryonic blood by the of pregnancy.

Liquid water turns into water vapor at which step in the water cycle? a. precipitation o b. water run off c. evaporation d. condensation

Asap i will reward you brainliest for best which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.

During binary fission, what events must occur before the cell splits into two new cells?