Macromolecules are defined as large molecules like lipids, proteins, and carbohydrates.
In the given data, the red colour denotes hydrogen and black denotes carbon. The molecule that needs the majority of red and black color is carbohydrates. Thus, option "A" is correct.
<h3>What are Carbohydrates?</h3>
Carbohydrates can be explained as:
Carbohydrates are the macromolecules, generally referred to as sugar. Carbohydrates are the primary nutrients of the diet along with proteins and fats.
Carbohydrate is a biomolecule that is made up of carbon, hydrogen, and oxygen atoms. The monomeric units of carbohydrates are monosaccharides.
Thus, the correct answer is Option A.
To know more about carbohydrates, refer to the following link:
brainly.com/question/16987478
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Answer: C. Temperate forests
Temperate forests contains the most biodiversity of deciduous tree species. These deciduous trees shed their leaves once in a year. The temperate forests are found in the Northern Hemisphere, North America, East Asia and Central and Western regions of Europe. The deciduous trees have broad leaves. Appalachian oak, hemlock, maple and pine are some of the deciduous trees species found in temperate forests.
Answer:D
Explanation: The pulmonary air sacs of birds only permit a unidirectional flow of air through the lungs. Unidirectional flow means that air is inhale and exhale through one trachea alternatively. This means the bird lungs only receive largely fresh air which has a high oxygen content during inhalation and do not receive fresh during exhalation. While air flow bidirectional in mammals.
Answer:
Carbon Dioxide
Explanation:
I think. I am pretty sure.
