The answer is; B
When the ocean waters in the Pacific ocean warm up and the currents begin to move eastwards towards the Western South American coast, then an El Nino is declared. This phenomenon also shifts tropical storms eastwards due to the exchange of heat between the hydrosphere and the atmosphere. El Nino occurs in a cycle every three to five years.
Answer:
Photosynthesis takes place in chloroplasts; cell walls allow plants to have strong, upright structures; and vacuoles help regulate how cells handle water and storage of other molecules.
Answer:
B osmosis
Explanation:
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The correct answer is C. Cladistics is a branch of phylogeny. Cladistics is concerned with all branching. It is a way of grouping branches together while phylogeny is a way of tracking relationships in evolution. Phylogeny shows the history of an organism's evolution.
