According to descartes, when a sense receptor is stimulated, "delicate threads" are pulled and cavities in the brain are opened, thereby releasing into the nerves.

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above

Construct at least two possible hypotheses for the student’s experiment.