List three signs that could make you think that a chemical reaction was taking place. explain how you got your answer.

What is the role of the ocular lens?

Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.