Which of these best describes the role of plants in the carbon-oxygen cycle? a. to absorb oxygen from the atmosphere and release carbon dioxide into the atmosphere b. to absorb carbon dioxide from the atmosphere and use it to make sugar c. to absorb oxygen from the soil and use it to make carbon dioxide for sugar production d. to absorb carbon dioxide from the atmosphere and release it back into the atmosphere

Is becoming less expensive to screen blood samples for dna certain diseases have genetic basis what is possible ethical concern about the availability of inexpensive dna testing

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases

Abacteriophage typically attaches to the bacterium and then