The first evidence supporting the theory of continental drift was a. evidence of extinct species on nearby continents b. the fitting together of neighboring continents like jigsaw puzzle pieces c. the fossil evidence of a former tropical climate non-tropical continents d. the existence of coal deposits in similar areas of neighboring continents

25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis