Communities of bacteria have been found living thousands of feet underwater in hydrothermal vents. Which of the following statements is a proper conclusion to draw about these bacteria? a. Somehow they are conducting photosynthesis b. They are living on borrowed time. C. They were somehow introduced by human activities d. They use an energy source other than sunlight.

b) the inside picture would look at a very high temperature in a very low ph

you know that this symptom is misleading and quite often is related to: heart attack

a heart attack is a condition that occurs when the blood flow that transports oxygen to the heart muscle is damaged or cut off completely. the coronary arteries that supply the heart muscle with blood flow can be blocked by the accumulation of plaque. also, when the plaque within the heart artery breaks, it creates blood clot that can also hinder the blood flow. men that are over 45years of age and women that are over 55years of age are at risk of having a heart attack. the symptoms of a heart attack include chest discomfort, chest pain, coughing, and shortness of breath.