The correct option is A.
A density independent factor refer to a weather or climate condition, which exert its influence on a population size without regard for the size of the population and its density. Limiting factor refers to any factor that put a limitation on the growth, abundance or distribution of a population. In the question given above, the Hurricane Katrina is a density independent factor because the hazardous event affected all the people that are resident in the affected areas.
Neurogenesis
As recently as two decades ago, scientists believed we were born with all the neurons we would ever have. But the discovery of neurogenesis occurring in certain brain areas in monkeys gave rise to the hope that someday scientists will be able to induce the adult human brain to heal itself.
Neurogenesis is the process by which new neurons are created and developed in the brain. The new neurons are created by neural stem cells and it happens in almost all species of animals. Neurogenesis is effectual during embryonic development and completely through adult life in different organisms.
Answer:
Azúcar.
Explicación:
El azúcar es una molécula que almacena energía y se mezcla con el agua. el azúcar es un disacárido compuesto por átomos de fructosa y glucosa. Es una fuente de carbohidratos que contiene una gran cantidad de energía que se utiliza en diversas actividades. Después de la descomposición de los carbohidratos, se produce glucosa que es utilizada por las mitocondrias de la célula para producir moléculas de energía en forma de ATP.
Sailors had scurvy, which is caused by a lack of vitamin C. They were cured by lemon juice becaue it contains a lot of vitamin C. Vitamin C evaporates when the lemon juice is boiled so it wouldn't have the same effect.
