B: An annual weather pattern
Hemoglobin is affect by sickle cell anemia.
The most obvious way to reduce the shortage of food is to reduce population which seems like a long term effort however science has enables us to develop certain ways that could be used to reduce the shortage of food. We are familiar with the term genetically modified plants and animals.
This technique has enabled us to produce plants and animals of our choice at a faster rate than normal.
With the help of this we can put desirable traits in organisms.
Answer: pros = high quality foods, more effecient farming, effective measure to reduce the stravation problem, products will have a longer shelf-life
cons= food exports may shrink, spread of plant diseases, health problems related to GMOS
Explanation: look it up and you will find more pros and cons!
Because of the nitrogen cycle all of the above answers are correct