Explanation:
<u>Reducing sugars are simple sugars with the ability to reduce copper (II) ions to copper (I). All monosaccharides (fructose, glucose, galactose) are reducing sugars as are some disaccharides, such as lactose and maltose. Simple sugars are all carbohydrates, and are used by the body as a source of energy.</u>

D: The reactions take place in the thylakoid of the chloroplast.
Answer:
A=T is the answer ..............
Answer:
Thoracic cavity, also called chest cavity, the second largest hollow space of the body. It is enclosed by the ribs, the vertebral column, and the sternum, or breastbone, and is separated from the abdominal cavity (the body's largest hollow space) by a muscular and membranous partition, the diaphragm.
<h3>For further details and images:</h3>
- https://www.google.com/search?q=thoracic+cavity&client=ms-android-sanmu&prmd=ibnv&source=lnms&tbm=isch&sa=X&ved=2ahUKEwii__unmPTnAhWFyzgGHfGvAAsQ_AUoAXoECAwQAQ&biw=397&bih=549#
- https://www.google.com/search?q=thoracic+cavity&client=ms-android-sanmu&prmd=ibnv&source=lnms&tbm=isch&sa=X&ved=2ahUKEwii__unmPTnAhWFyzgGHfGvAAsQ_AUoAXoECAwQAQ&biw=397&bih=549#&biw=397&bih=549
<h2>HOPE U UNDERSTOOD</h2><h2>Please MARK as brainliest</h2>