Q: Plants make sugars in the presence of sunlight in a process called photosynthesis. What form of carbon do the plants take in for this process?
A: carbon dioxide
Q: Which human organ system primarily exchanges gases between the body and the atmosphere?
A: respiratory
Q: Which illness is always caused by an infection?
A: influenza
Q: A scientist combines oxygen and hydrogen to form water. This combination illustrates that water is
A:
a compound.