Contaminants from farmland, factories, and cities Can runoff into our rivers. Chemicals like nitrogen and phosphorus can produce eutrophication. To help preserve the cleanliness of our water, we can reduce the use of fertilizers and other containments.
Answer:
experiments are versions of the real world captured within an artificial laboratory environment, models are artificial worlds built to represent the real world. i aint gonna cap i copied of google :
Answer:
Pioneer species are hardy species which are the first to colonize previously biodiverse steady-state ecosystems. Some lichens grow on rocks without soil, so may be among the first form of life. The example includes bacteria, fungi, and lichens.
The correct answer is all of them:
<span>A.is only found in eukaryotes
B.is found in the nucleus of prokaryotes
C.controls the physical traits of an organism
D.determines the sequence of amino acids in proteins
E.can control certain organism behavior
F.is a long, single chain of paired nucleotides</span>