Because secondary sucession has bas soil that is intact still unlike primary sucession which begins with virtually lifless area without soil
Answer:
Explanation:
I believe that it comes from people expression and how they act because all of them emojis out there are our traits everday
Hope this helps
Answer: D
Explanation:
lIf the change in the ecosystem occurs, then it would effect the weather, temperature, and the abiotic factors. So, we can see that the bacteria could survive in any sort of temperature. So, A can't be it. Also, B can't be it because the grass can grow in any sort of soil, even if the soil is contaminated. C cant be it because even if the change in the envoriment (temperature, contaimination) kills of one of the brown bear's food source, they can still have other things they can eat. But, if the weather gets too hot or the soil gets contaimnated and kills off the ecalyptus plants, the koala has nothing else to eat. So, best answer is D.
By a rowing and pushing against the water because by pushing the paddle against the water it moves the water back so you can go forward
The sell is unable to maintain in a sustainable environment