Place the following stages of a large start life cycle in the correct order from top to bottom ? Nebula
Protostar
Red supergiant
Supernova (always)
Main sequence
Neutron star or black hole

answer; i believe the answer is hydraulic action;

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex