Agroup of four students was given different parts of four varieties of plants to grow: i. stems of raspberries ii. roots of potatoes iii. stems of rose plants iv. bulbs of onion after growing all the plants, students found that all of them were identical to their parent plants. which statement explains this?

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