A protostar turns into a star when it is hot enough for nuclear fusion to turn hydrogen into?​

How does a gymnosperm prevent itself from pollinating the same tree

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe

Which organism can most likely be classifild as domain bateria