True or false blood draining from the mouth is an indication of a serious head, neck or spinal injury

The ocean layer of a rapid temperature change with deph is known as the

Overtime the pond slowly becomes more acidic due to the release of chemicals from a nearby factory. which of the organisms would most likely survive the change to their environment?

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2