Answer:
4.5 billion years ago
Earth hasn't always been a blue and green oasis of life in an otherwise inhospitable solar system. During our planet's first 50 million years, around 4.5 billion years ago, its surface was a hellscape of magma oceans, bubbling and belching with heat from Earth's interior.
Explanation:
Glucose can diffuse from the digestive tract into the human blood system without first being digested.
The answer is C & E
Fatigue as well as Enlarged lymph nodes