As the rocks are moved by the water, they bump into one another. This bumping causes abrasion. The minerals in granite dissolve very slowly in water. It takes a long time for enough minerals to dissolve for the rock to break down.
Answer:
I definitely think that is plant, I am not sure about the other ones
Answer:
<em>If the Tamiflu-resistance gene involves a cost, it will experience directional selection leading to reduction in its frequency.</em>
Explanation:
The new virus will be resistant to Tamiflu. The Tamiflu resistance gene will become common in the environment due to directional selection. Directional selection can be described as a condition in which one phenotype is favoured such that the phenotype becomes abundant in an area and hence the allele frequency of the area changes. This occurs because that phenotype is better adapted to survive in an environment.
The 16th president of the United States was Abraham Lincoln. He was assasinated at Ford's Theatre on April 15, 1865. He was assasinated by John Wilkes Booth.