PLEASE HELP!!! Indicate whether each source is reliable or unreliable.

1. encyclopedias

2.government websites

3. personal websites

4. peer-reviewed scientific journals

5. magazine and newspaper editorials

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.