Only a small amount of cerium oxide nanoparticles is needed because the nanoparticles
1) are elements
2) are very reactive
3) have a high surface area to volume ration

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse