The function of the eardrum in the middle ear is to
a. carry the sound energy to the brain.
b. vibrate with the frequency of the received sound.
c. collect the sound waves.
d. amplify the received sound.

Which of the following is a question of morality? a.) delierately reporting false data b.) accidentally reporting false data c.) kepping a sloppy record of experimental observation d.) condition a drug experiment which will harm a lab rats

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?