Answer:
the first trophic level shows a primary producer
Answer:
Lead is the major pollutants of high-tech gadgets, occupying 40%, while other metals 75%.This is because Pb forms lager components of these gadgets.For example a desktop computer contains about 10 pounds of Pb.
The lead to recycle these material to prevent pollution is important.
Explanation:
Answer:
RNA polymerase binds to a promoter sequence near the beginning of a gene directly or through helper proteins. RNA polymerase uses one of the DNA strands the template strand as a template to make a new, complementary RNA molecule. Transcription ends in a process called termination.
Explanation:
Answer:
the burning of fossil fuels