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¿Cuáles son los peligros de fumar para la salud?

Sin duda, hay muchos peligros de fumar para la salud. Uno de los peores peligros es el riesgo del cáncer de los pulmones. Fumar cigarillos produce un riesgo mayor de enfermedad de los pulmones y aumeta la pr...
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Answered by Ben S. • Spanish tutor
2881 Views

Why does a balloon 'stick' to a wall when one has rubbed it on one's head?

When the balloon is rubbed on your head, it becomes electrostatically charged (this is because electrons are transfered to/from the balloon from/to your hair). When you bring the balloon, which now has an ex...
RH
Answered by Ryan H. • Physics tutor
29237 Views

Explain how blood sugar level is controlled in the body?

The control of different substances in the body keeping them at a stable equilibrium level is called homeostasis. One area of this is blood sugar level control, if blood sugar level is too high or too low th...
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Answered by Angus S. • Biology tutor
9315 Views

What do Christians think about abortion?

Opinions on ethical issues such as abortion will very from church to church and Christian to Christian, however the bible contains a number of teachings that may be interpreted as relating to the issue of ab...
KW
14062 Views

How do you talk about the past in Spanish? What are the differences between all the tenses?

There are 4 ways of talking about the past in Spanish. These tenses are called the preterit, imperfect, perfect and pluperfect. PRETERIT: We use this tense to talk about a completed action done in the past, ...
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Answered by Molly M. • Spanish tutor
8508 Views