las neuronas son las células funcionales del sistema nervioso. Con respecto a ellas es correcto afirmar que: I. Las dendritas llevan el impulso hacia el axón II. Las células de Schwann forman la mielina en las neuronas del sistema nervioso periférico III. El núcleo se encuentra en el soma IV. Todos los axones pueden regenerarse

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.