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grandymaker [24]
3 years ago
15

On the nature trail at Pennsylvania State University, tall pine trees have reduced the amount of sunlight that reaches the fores

t floor. While hardwood trees flourish in shaded regions, pine seedlings require sunlight. Ecologists believe that over time, the hardwood trees will replace the pine trees. This scenario is an example of which concept?
A. competition
B. succession
C. natural selection
D. cross pollination
Biology
1 answer:
Scilla [17]3 years ago
5 0
The answer will be B.Succession 

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A hacker stood outside a building and spun up a wireless network without anyone's knowledge. At that point, the hacker was able
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Explanation:

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Answer/Explanation:

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Explanation:

The yeast is no longer active, Climate conditions, too much liquid, Wrong type and amount of yeast, Not adding or using too little salt, Insufficient baking time and Wrong oven temperature are the factors that could fail the process of dough rising. For rising of dough, the environmental conditions and materials that is used in dough must be present in optimum range or quantity.

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