Activity is activity in which muscle cells produce energy without using oxygen. It is usually intense and short in duration. Activity is activity in which the cells use oxygen to produce energy for movement. The intensity is low enough that the heart and lungs have enough time to replenish the oxygen supplies in the muscles. It allows you to continue this activity for long periods of time.

Water pollution cannot only affect the earth's water supply but it can also affect the soil true or false

Fallacies are unsound arguments that seem to be logically and are persuasive because they usually appeal to our emotions and prejudices and often support conclusions that we want to believe are accurate. - true or false?

Hiv is inactivated in the laboratory after a few minutes of sitting at room temperature, but the flu virus is still active after sitting for several hours. what are the practical consequences of these findings? a) hiv can be transmitted more easily from person to person than the flu virusb) the flu virus can be transmitted more easily from person to person than hivc) this property of hiv makes it more likely to be a pandemic than the flu virusd) disinfecting surfaces is more important to reduce the spread of hiv than the flu