Answer: A
Explanation:
Ecological succession is the process of change in the species structure of an ecological community over time. The time scale can be decades (for example, after a wildfire), or even millions of years after a mass extinction.
How would u approach the first one, #54
Answer:
The correct answer is option A.
Explanation:
Emus are flightless birds that are native to the African part of the geological location. It is the second largest bird on the planet that can not fly but run very fast.
They show similarities with their Australian cousin ostriches. Ostriches are found in Australia, these are the largest bird on the planet. These are also flightless birds and run up to 45 MPH.
Thus, the correct answer is option A.
The question is asking to choose among the following choices that describes about the Big Bang theories, base on my research and further investigation, I would say that the answer would be letter B. <span>The universe is expanding. I hope you are satisfied with my answer and feel free to ask for more </span>