Answer:
Gene mutation
Explanation:
The difference in the coloration of the whale is due to mutation. Mutation is an alteration of the gene of an organism which can result in a change in phenotypic qualities. Mutation can be caused by exposure to mutagens such as industrial chemicals.
Answer:
The Panama canal
Explanation:
Opened in 1914, the Panama canal allows maritime traffic to travel between the Pacific and Atlantic oceans very rapidly through a system of locks (2 on the Pacific side, one in the Atlantic side), and the boats pass through an artificial lake crossing the whole country of Panama.
It takes just a few hours to cross from one side to the other, while it would take weeks to go down to the tip of South America and back up.
In 2016, the canal opened new locks, that can receive larger boats.
<span>The Gulf of Tehuantepec is largest in size.
Hope this helps !
Photon
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A stack or sea stack is a geological landform consisting of a steep and often vertical column or columns of rock in the sea near a coast, formed by wave erosion.<span>[</span>
Answer:
Explanation:
When a metamorphic rock exhibits a layered or banded appearance, it is said to exhibit a foliated texture.
In geology, foliation texture is a texture that has layerings in a repititive manner, usually in metamorphic rocks. Each layer vary in thickness. It can be as thin as 0.05cm or more than a meter in thickness.
