D) Complex Carbohydrates I'm sure this is the answer
Answer:
The correct answer is - 4.1 billion years ago.
Explanation:
In the question, there is a timeline given based on the fossils evidence and on the base of this timeline, it is given that the earth formed around 4.5 Billion years ago. Soon after the earliest water, the first living unicellular single-celled organism found which is dated around 4.1 billion years ago.
It has appeared soon after the earth formed itself and after a billion years later the first photosynthetic organism occurred.
"Coordination of environmental efforts between industry, government, and citizens" is the one among the following choices given in the question that describe <span>solutions to environmental problems in the region. The correct option among all the options that are given in the question is the fifth option or the last option. I hope that this is the answer that has come to your desired help.</span>
Explanation: I think camouflage method or a design that scares away predators.
