What is the nonliving substance priduce by living plants and animals that may be used as a biological agent is called?

Why is it important to study each branch of earth science?

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

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine