I would say letter A to this because we need rain water for crops plants. Also we need it so that we can drink it. Its less great over sea because as it merge with the salt in the ocean it becomes less drinkable and less usable.
The radioactive tracer (radiopharmaceuticals) is used to assess bodily function and diagnosing and treating the disease. It is made up of carrier molecules bondeed tightly to radioactive atom. Some interact with specific protein or sugar in the body of the person. Radioactive tracer can be administered through intravenous injection, inhalation, oral ingestion, or direct injection into an organ.
<span>ultraviolet light for sure is the right answer </span>
Answer:MNO2 is a depolarizer in a dry cell
Explanation:
MNO2 is depolarizer in a dry cell. depolarizers are chemicals used to reduce or prevent polarization of cells
