Source image The first oil well was drilled in Titusville, Pennsylvania (USA), in August 1859 by Colonel Edwin L. Drake, who found crude oil at a depth of 21 m. Thus began what is now the largest industrial

El carbón e un sedimento hidrocarbonoso que al arder suministra energía calorífica.Se encuentra en lechos llamados filones,por lo general bajo tierra, pero en algunos lugares aparece cerca de la superficie,

Source image myopia is defined as poor vision in the eyes, although it cannot be defined as a visual disease that has caused great harm in common society. If you are nearsighted, you will usually have

Source image Perhaps for many people this is a strange name or they have even read it for the first time, this drug turns human beings into people with different skin and psychological problems. If we

Source image Those people who suffer from anorexia feel a real fear of getting fat and have a distorted picture of both the dimensions and shape of their body. Therefore, they cannot maintain a normal

Hello steemians!! I want to tell you most heart attacks are caused by a clot that blocks one of the coronary arteries. Coronary arteries carry blood and oxygen to the heart. If blood flow is blocked, the

Source image The soft drink is a flavored, effervescent and alcohol-free beverage, usually consumed cold to be more refreshing and avoid the loss of carbon dioxide that gives it effervescence. In 1832,

Source image Asthma is a chronic lung disease that inflames and narrows the airways. Chronic illnesses are diseases that last a long time. Asthma causes repeated periods of wheezing, chest tightness, shortness

Source Image Lupus is an autoimmune disease. The immune system itself attacks healthy cells and tissues by mistake. This can damage many parts of the body, including the joints, skin, kidneys, heart, lungs,

Source Image the biosphere Steemians... in the present post I want to talk about the biosphere, the set of the varied biomes existing in the earth forms the biosphere, the thin layer that sustains life

source image Hello steemians today come to document you about the atmosphere, weather and climate with an analyzed research, the atomosphere (drawing from above) is the gaseous layer that surrounds the

Source image Source image I send a big greeting to all the Steemians today I want to document my research on the structure of the earth, the very hot material ascends from the core to the surface; as it

source image a greeting to all stemians, According to the most accepted theory, the universe originated about 15,000 million years ago, from a great explosion (the Big Bang), in which matter, energy, space

Source image Importance of Breathing All the Living Beings that inhabit the planet carry out a set of basic functions that receives the name of Life Cycle, having on one hand to the Food as the form in

Source image Living beings are open systems that already exchange matter and energy with the environment; they incorporate water, oxygen and nutrients, and remove carbon dioxide and other wastes, as well

Source Cataracts are degenerative changes in the structure of the eye that occur when lens proteins begin to clump together and cloud a small area of the eye. This cloud will continue to grow and affect

Source The economic crisis does not project improvements. The disarticulation of the productive apparatus and the fall in foreign exchange earnings submerge the country in a deep wave of scarcity and inflation

Apparently, people want and need the closeness of others. We want to share our ideas and feelings with others and touch and touch us. Source The mere fact of being physically close is important, but many

POSITION NUMBER -5 Reviewing and researching between the networks I have found fantastic animals but really amazing why I decided to show myself on the steemit platform and give the perception that I see

Maybe this is one of the craziest posts showing not only amazing people but also amazing people because it causes great visual impact to see the following people, in this first stage I will make a top