Answer: by given steroid injection to animals
<u>and </u>
increasing production of cheap calories of Sugar and Triglycerides for use in food products
The attempt by farmers to maximize profit prompted them to give hormones e.g streroids to animals to increase their biochemical reactions therefore the the products yields e.g they are giving steroids to poultry to improve chicken, eggs production;and to cattle for improved beef and milk production.
In order to obtain maximum sugar and fats productions, cheap calories forms of there are being produced. e,g fructose, maltose. if maltose is consumed in excess it leads to obesity, while fructose increases the level of cholesterol.These products requires a lot of processing with different chemical products which leads to health problems after consumption
Explanation:
There is no answer that is right except for C. Natural Selection.
Genetic Recombination doesn't change gene frequency;nor does migration. (Unless it's local)
Mutation could be the answer, but since mutations are too rare to really power Evolution, the only logical answer is Natural Selection.
I think it is D. You experience increase in breathing rate to obtain more oxygen which is delivered to cells through the bloodstream
Answer:
Oxygen is combined with the carbon atoms left from the glucose molecule.
Explanation: