<u>Answer</u>:
Phytoplankton feed on nutrients brought up by upwelling.
Hence, option D is the right answer.
<u>Explanation</u>:
Phytoplankton are microscopic marine plants, i.e they live in water bodies. They are autotrophic, i.e they prepare their own food. They are called phytoplankton because they absorb photo energy i.e sunlight. They absorb carbon dioxide and release oxygen. As they need to absorb sunlight, they are present near the surface of the water.
Upwellings are ocean currents which bring nutrients from deep cold water to the surface. Upwellings happen because of the rotation of the Earth and winds. The phytoplankton depend on the nutrients brought by the upwellings to prepare their food using sunlight and they form the food for various sea animals.
Answer: Option D
Explanation: The set of activities done by a company for marketing its product is called marketing mix. These are the factors that affect the marketing results of the entity and should be considered thoroughly while decision making.
Seven elements of marketing mix are :-
1. Product
2. Price
3. Place
4. Promotion
5. Packaging
6. Positioning
7. People
THUS, DISTRIBUTION IS NOT ITS PART.
True.
The Principle of Utility says actions are <u>right </u>when they promote happiness or pleasure, and wrong when they cause unhappiness or pain. So in order to figure out if something is right or wrong you will first have to know if it promotes happiness.
Answer
The answer and procedures of the exercise are attached in the following archives.
Explanation
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.