Give three factors that limit performance on tests like the Landolt-C. At least one of your answers should be a physiological factor and another one an environmental factor. (50 words max)

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes