Anyone need help with any grade 7 and below any subject

What is the primary goal of human communities?

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.