Is a large molecule, or macromolecule, composed of many repeated subunits.Because of their broad range of properties, both synthetic and natural polymers<span> play essential and ubiquitous roles in everyday life.</span>
Among the given choices, the only positive effect that may be thought off with the increase in level of CO2 in the atmosphere is the increase of plant growth. Carbon dioxide is an essential compound in the photosynthesis of plants. Therefore, the answer should be letter C.
A dog breathes in oxygen and then releases carbon dioxide when he exhales. Conversely, a tree gives off oxygen and takes in carbon dioxide. So the breath of the dog sustains the tree while the output of oxygen for the tree sustains the dog.
Answer:
The correct answer is option B. false.
Explanation:
The seminal vesicles are the site of production of the seminal fluid which makes 60 % of the total seminal vesicles. The seminal vesicles do not store the sperm.
The primary storage site of the sperm in seminiferous tubules and tubular storage sites for the sperm is epididymis.
Thus, the correct answer is option B. false.