Qué ocurre en los ciclos químicos — Se mueven de seres vivos a cosa que no están vivos y viceversa

Ciclos biogeoquímicos cuáles son los elementos comunes en la tierra y comunes en las moléculas orgánicas

Qué son los procesos biogeoquímicos

En dónde se almacenan estos elementos

Procesos geológicos que favorecen al ciclo biogeoquímico

Por qué son importantes estos elementos

Por qué es importante estos elementos

Take care of the pence, for the pounds will take care of themselves.

As a nation we have, over the past seven years, been rebuilding our intelligence with powerful capabilities that many thought we would no longer need after the Cold War. We have been rebuilding our clandestine service, our satellite and other technical collection, our analytical depth and expertise.

The chaos in our world may have brought you close to despair, but if you are willing to look at reasons for hope, perhaps you are ready for the 'Aquarian Conspiracy.'

I'd love to do situation comedy - it's the best job in show business.

I take my life and put it on the football field, and I take the football field and put it in my life.

I'm a blue-collar Chicago girl raised on wonderful movies my mom took us to, ones that had a lot of heart.

I had a wonderful contact, especially with Uncle Bert who was an angel and led the whole group over to my side of a steep ravine I could not cross to get over to them.

I think people are just really disappointed, disappointed with Blair as well, who's just like Bush's lapdog. I think everyone's just disillusioned with politics in our country, and it must be the same in your country.

You can’t lead people to where you’ve not been yourself. When you all get stranded, you need the knowledge of someone who knows the way!

Novelists who pretend to understand what keeps them scribbling are really just guessing. A profound, unmet childish need to be acknowledged? Maybe. It hardly matters, though. The termite that asks itself why it keeps chewing risks becoming sluggish and inefficient, as does the writer who grows self-conscious in the middle of chapter five.

It is impossible to go through life without trust: that is to be imprisoned in the worst cell of all, oneself.

I would never let somebody say that they're me. That would be the ultimate betrayal of what I stand for.

I am perfectly happy to believe that nobody likes us but the public.

Thats the beauty of sport. Sometimes you laugh, sometimes you cry

Hope is the belief we might get it done, and faith is the knowledge we will get it done.

I'm not pessimistic about people in general, but only about the way they live.

You no more have the right to risk others by failing to vaccinate than you do by sending your child to school with a hunting knife. Vaccination isn't a private choice but a civic obligation.

The steady discipline of intimate friendship with Jesus results in men becoming like Him.

Climate change is the Everest of all problems the thorniest challenge facing humankind.

My target audience is anyone who finds the world interesting and human behavior fascinating, terrible, inspiring, funny, and occasionally, mysterious.

I haven't taught since 2004, but I taught high school English for seven years, primarily at a place called Haddonfield Memorial, which is in a very well-to-do-community in Southern New Jersey.

There is no 'natural' order, only the way things are.

I know that people think of me in terms of Latin music and that's wonderful, that's my heritage, that's who I am, but there's so much more to me and my music.

I think Obama is right when he talks about the rule of law as a cornerstone of what the United States should stand for.