Category Archives: Information

What causes the Earths magnetic field to weaken over time?

What role does the body’s nervous system play in reflex actions?

How does the body fight off infections from viruses?

How do stars form in a nebula?

How do the human body’s immune cells differentiate between harmful and harmless substances?

What is the role of the human microbiome in digestion?

What is the importance of the ozone layer in protecting life on Earth?

How do volcanoes release gases into the atmosphere?

How do cacti store water to survive in desert climates?

How do oxygen and carbon dioxide cycle in ecosystems?