Answer:the decline of lichens is an important indicator of an imbalance in the ecosystem. this research can help system ecologists predict how pollution will affect the entire ecosystem
Explanation:
No because that would not be your urine
<span>The minimal amount of nutrients needed every day by healthy people to prevent nutrient deficiencies is called the RDA.
RDA stands for recommended dietary allowances. </span>RDA's are established by the Food and
Nutrition Board of the National Academy of Sciences. There is a term RDI related to this. RDI stands for recommended daily intake.
Some viruses can slowly eat away at the body and it’s blood cells.
The answer is studying for a test because you want to feel proud of your performance. Intrinsic motivation means you do something for the sake of your internal feelings/motivation, not based on something or someone external like a paycheck or significant other.