They are all necessary for photosynthesis to occur.
The bear affects the ecosystem by eating plants and animals which lowers invasive species levels.
Transfer<span> ribonucleic acid (tRNA) is a type of </span>RNA<span> molecule that helps decode a </span>messenger RNA<span> (mRNA) sequence into a protein. tRNAs</span>function at specific sites in the ribosome during translation, which is a process that synthesizes a protein from an mRNA molecule. or check this site out it might help http://www.nature.com/scitable/definition/trna-transfer-rna-256
Answer: c. Air pollution
Explanation:
There was a heatwave in Europe during the early years of the 21st century that killed tens of thousands across the continent and thousands in France.
Air pollution was blamed for having made the situation worse because the pollutants in the air acted to prevent heat from escaping back into the atmosphere which led to increased heat on ground and therefore a heat wave.