Which of the following is a chemical reaction? 1.breaking a glass pane 2.freezing water 3.digestion of food 4.cutting down a tree 5.evaporation of rubbing alcohol

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper

3- ¿cómo pagas? fill in the blanks with words from the list to indicate the most likely form of payment for each item .