A claim for a CER, is a simple sentence that answers the scientific question without explaining why it is a good answer.
True
False

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

every el niño cycle is different. every year.

condensation. good luck!

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.