The diagram shows an animal cell. Which letter marks the location where carbon dioxide is produced during respiration?

W
X
Y
Z

Glucose is a form of sugar found in the blood cells use glucose as a source of energy, but too much or too little can cause serious health issues so, the body uses the hormone insulin to regulate glucose n the blood insulin maintain glucose levels in the blood if blood glucose lovels got very high, what would you expect to see happen to insulin levels?

In which situations is the principle of cross-cutting relationship useful in determining relative age?

What are some characteristics of a free enterprise economy?