Fracking opens cracks that exist in underground rock, allowing gas to escape back up through the well. Which statement best describes an environmental consequence of this process? Wastewater is contaminated with oil and becomes sludge in landfills.
During natural gas extraction, methane escapes into the atmosphere.
Water vapor is released into the air, which is considered a greenhouse gas.
Heavy metals are released into surrounding soil, poisoning local vegetation.

the limb fractures are among the most common fractures. open fractures are comparatively more dangerous. the injury patterns are dependent on many factors, such as the age of the person, and mechanism of the injury. the closed fractures of the limbs if left untreated may lead to a significant amount of the blood loss, which may be life-threatening for the person. approximately 1000-1500 ml of blood is lost in the close fracture of the femur, and 500-1000 ml of blood is lost in the closed fracture of lower part of the limbs.