Eu quero resposta de Química de verdadeiro ou falso​

The density of water is 1 g/cm cubed and in order for the pebble to sink its density has to be greater than the density of water and in order for the twig to float its density has to be less than the density of water

Answer trigonal pyramidal;

Ibelieve it's dna hope this out at least

Into because calcium makes cells