There is a close relation between longitude and time. The Earth makes one complete rotation of 360 degrees in 24 hours. It passes through 15 degrees is one hour or one degree in four minutes. Thus there is a difference of 4 minutes of time for one degree of longitude.
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C. Those are the main ones we see compete in every election and at least one of them wins every time. The rest have been shrunk down and are not present
The correct answer to this open question is the following.
According to your question, there are only two parts to be answered, a) and b).
Being that the case, we can comment on the following.
A) This is an observational study and not an experiment because the research was only limited to observation, participants never receive any kind of treatment or another interaction to experiment with them.
B) Who were the subjects of the study?
The subjects of this study were women aged 65 and older who were tracked for several years. The observation revealed that those women who had a vitamin B12 deficiency were twice as likely to suffer severe depression as those who did not.
So, according to the American Journal of Psychology, these were the women observed during the study. There were no more experiments, interactions, or activities applied to them in order to consider it an experiment.
Let's remember that in order to consider an experiment as such, there has to be another component of the study, and the experimental part of it that has to be tested and proved passing the scientific method to conclude in something valid.
Answer: 1. El agua en la naturaleza se encuentra en sus tres estados: líquido fundamentalmente en los océanos, sólido (hielo en los glaciares, icebergs y casquetes polares), así como nieve (en las zonas frías) y vapor (invisible) en el aire.
2. Entre las fuentes de contaminación más notables, podemos citar las siguientes: Emanaciones industriales, en forma de humo o polvo, las cuales son lanzadas a la atmósfera y contaminan el aire. Aguas residuales de origen industrial, que constituyen la principal fuente de contaminación de las aguas.
3.El agua es el elemento más importante para la vida. Es de una importancia vital para el ser humano, así como para el resto de animales y seres vivos que nos acompañan en el planeta Tierra. Resulta curioso que el 70 por ciento de la Tierra sea agua y que el 70 por ciento de nuestro cuerpo también sea agua.
4. Prohibición de productos químicos y físicos contaminantes.
Usar energías limpias y renovables.
Tratamiento y depuración de las aguas grises.
Perseguir y evitar la sobreexplotación de los acuíferos.
5Concientizar a los ciudadanos sobre un uso responsable y ahorro de este recurso.
Fomentar la agricultura eficiente.
Captar y almacenar agua de lluvia.
Reutilizar aguas.
Desalar agua de mar.
Favorecer el acceso al agua potable.
Explanation:
