Phytoplankton <span>/<span>ˌfaɪtoʊˈplæŋktən</span>/</span><span> are the </span>autotrophic<span> (self-feeding) components of the </span>plankton<span> community and a key part of oceans, seas and freshwater basin </span>ecosystems<span>. The name comes from the </span>Greekwords φυτόν (phyton), meaning "plant", and πλαγκτός (planktos), meaning "wanderer" or "drifter".[1]<span> Most phytoplankton are too small to be individually seen with the </span>unaided eye<span>. However, when present in high enough numbers, some varieties may be noticeable as colored patches on the water surface due to the presence of </span>chlorophyll<span> within their cells and accessory pigments (such as </span>phycobiliproteins<span> or </span>xanthophylls<span>) in some species.</span>
Sanderson's cross-national study indicated that international migration increases overall levels of human development. Thus, the correct option is A.
<h3>What is Migration?</h3>
Migration may be defined as the movement of people from one place to another in search of resources better than their native one.
International migration increases the overall standards of human development because it initiates new opportunities and trade aspects of people of one country to another.
It also leads to improved human development outcomes in major areas like education, health, and finance.
Therefore, the correct option for this question is A.
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Answer:
A
Explanation:
Both are igneous because lava/ magma form igneous rocks.
Answer:
rainfall, changes in water level, earthquakes
