Answer:
Carbon dioxide increases temperatures, extending the growing season and increasing humidity. Both factors have led to some additional plant growth. However, warmer temperatures also stress plants. With a longer, warmer growing season, plants need more water to survive.
Explanation:
Answer:
Myelin sheath increases the speed of electrical impulse along the nerve cells.
Explanation:
Myelin sheath is an insulting layer of proteins and fatty acids that are present around the nerves of brain and spinal cord.
Myelin sheath increases the speed of conduction of nerve impulse from one nerve cell to another cell. Myelin sheath is formed by the concentric wrapping of schwann cells around the axon. This sheath decreases axonal membrane capacitance and increases the conduction of nerve impulse.
This is pretty obvious. The answer is B)metals because most of the nonmetals are gases but the majority is metals.
A ) Allow water to enter the leaf
<span>Many vitamins can cause acute toxicity in the body. Vitamins B, E, A and iron can all cause toxicity if taken in large amounts. Vitamin A and iron are the most publicized overdose culprits and should be avoided unless consulted by a doctor and advised to take them.</span>
