Need asap ! emergency! which of these is a characteristic of index fossils? a- found in the topmost rock layer b- found in many layers of the same rock c- have already established relative age d- are limited to a particular geological location

Drag the tiles to the correct locations. each tile can be used more than once, but not all tiles will be used. one or more locations will remain empty. nitrosyl fluoride has the chemical formula nof nitrogen has five valence electrons, oxygen has six, and fluorine has seven. complete the lewis structure for this covalent compound. f n = = = . : : 0 : reset next um. all rights reserved us 2