Answer:
The independient variable in this study is the memory-enhancing drug that Dr. Bonne DeMuth is testing on the students.
Explanation:
In research studies, there are independent variables which are those that are being studied and analyzed. When these variables are intervened, these will be the ones that will directly affect the results.
So , in this case Dr Bonne DeMuth is trying to find out if a memory-enhancing drug would help decrease the time it takes students to learn how to trace a maze.The independent variable in this case would be the drug analyzed by Dr Bonne DeMuth and the intervention that is being carried out on this variable is to know if it can achieve the desired effect(decrease the time it takes students to learn how to trace a maze).
Frequency is what the answer is. (How Frequent you exercise)
Homeostasis is the maintaining of a stable and healthy environment in any organism. Any disease is fundamentally a disruption of this stability, causing some kind of disorder in the organism's inner functions.
Organic foods are natural food grown without the use of additives and synthetic pesticides. The crop must be harvested by hand is not the condition required.
<h3>What is organic food?</h3>
Organic food is the natural method of the growth and harvest of agricultural food and crops. They promote the principles of ecological balance and the conservation of biodiversity.
They are the crops grown without the addition of synthetic pesticides that are harmful to the crops and the organism that consumes them.
For labelling the food organic it must contain 95 % organic ingredients, produced without the use of pesticides and the animals used must have access to outdoors.
Therefore, option D. crops harvested by hand does not require the government to label food.
Learn more about organic food here:
brainly.com/question/4135258
Answer:
Explanation:
The respiratory system which includes the organs used for breathing and the skeletal system which is responsible for body support and aids it proper movement interact and can be interwoven functionally in the following ways:
1. The bones in the nose called nasal conchae form swirl like shapes in the nose region that aids the passage of warm air from the nose to the lungs.
2. The centre of the human bones consist of the bone marrow which is responsible for the production and formation of red blood cells, white blood cells and platelets. These red blood cells carry oxygen from the lungs to other parts of the body like a transport system.
3. The thoracic or rib cage protects the lungs from damage and ensures stability.