Question

Animal life was impossible in the Earth's early history. This is because of A) a lack of prey. B) a lack of water. C) a lack of oxygen. D) a lack of sunlight.

Answer 1

A lack of oxygen

Step-by-step explanation:

Did the test

Answer 2

Answer;

C. a lack of oxygen

Explanation;

• During early Earth's history Oxygen levels were to low about 0.1 percent of what there is today, to support the rise of animals and animal life was impossible.
• Lack of oxygen made it impossible to support the rise of life during Earth's early history, billion years ago.
• Animals arrived 800 million years ago and scientists found that they could not have thrived before then because of low oxygen levels