Which statements describe functions of antibodies?

The mitochondrion functions lipid storage protein synthesis photosynthesis dna replication atp synthesis

Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake

Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium