Ineed a labelled diagram of a heart.

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f

Ascientific idea becomes valid when it is what?