What is the problem with the bonding of two nitrogen atoms ?

Enzyme speed up chemical reaction are which type of marcomolecule? a.carbohhydrates b.protiens c.lipids d.nucleic acids

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?