Energy. A solute can only move against concentration gradients using active transport which requires energy
Water helps your body maintain your body functions and regulates the temperature of your body and you lose water by doing activities by running, sweating and digesting its important to high drat all the time. Its important and re hydrate and eat food that have water in them like apples is an example.
Photosynthesis is the process through which plants use sunlight and carbon dioxide to make food to sustain themselves. Cellular Respiration is when cells use oxygen and water to create a food source for the cell. The formula for photosynthesis is the same for cellular respiration except it's backwards. Hope this helps.
The answer is, "B", "Developing country".
<span>Collin often experiences a "runner's high" during his daily three-mile run. this is most likely produced by endorphins.
Endorphins are related to a group of hormones which are secreted within the brain and the nervous system, it is like morphine chemicals which are produced. It is mostly produced when you exercise a lot, run high or stress etc.</span>
