ANSWER
mRNA - formed from the DNA gene sequence with the help of RNA polymerase.
EXPLANATION
mRNA contain codons which are complement to
tRNA anticodons.
rRNA formed in nucleolus.
tRNA carries the amino acid.
The answer is D) desertification and deforestation
To know the answer you can rule out the non-possibilities. A is not correct because farmers use them all the time. B is not correct because water and pesticides can flow downstream and carry and deposit sediment. C is not correct because farmers can flood their own farms. When they plant things and a food comes, all of those plants will die or their roots will detach which lowers the food that can be sold. D is correct because farmers don't farm in the desert or the forest, so it would not be an impact of farming.
Locally grown food creates important economic opportunities, provides health benefits and helps to reduce environmental impact. It also helps bring the community together and gives people the opportunity to make a difference. Additionally, many people feel local food tastes better and lasts longer. So the answer will be C