I believe its a because the sun is located in a spiral arm of the galaxy so we would be farther away from the center than we would be if we were not in an arm hope it helps
There are 1 to 2 called alleles
Correct answer: B). Shelter wood cutting takes place over several years
Shelterwood cutting is the progressively cutting of the forest, in order to establish the growth of the new generation of the seedlings of a particular species without planting.
It is a method of natural tree reproduction under the shelter of old trees, which are removed successively by cutting the tree in order to provide the increased amount of light to the new seedlings. It is a slow process and takes lot of time.
We can’t predict what will happen when a predator is lost from an ecosystem; there are too many unknown ways that species interact, and the processes take place over scales of tens to thousands of square kilometers. The true effect of a loss can’t be known until years or decades after it has taken place.