Look at the river below. Identify the letters where erosion takes place and the letters where deposition takes place. Be sure to explain how the river forms as it moves through Earth; how are the meanders created?

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

Describe the function of the endomembrane system? what organelles are involved?

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