<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:
The Department of Transportation will be given discretionary authority to create auto regulations.
Explanation:
The Supreme Court does not have to review legislation annually, they actually only need to review legislation if a case gets there.
Automobile safety standards are set by the federal government, not the state governments, and these type of legislation has nothing to do with the federal budget.
Answer:
Jessica should consume more of good A.
Explanation:
Jessica spends all her income on two goods, A and B.
The price of A is $5, and the price of B is $7.
At the current consumption bundle, the marginal utility of A is 10, and the marginal utility of B is 21.
The total utility is maximized when the ratio of marginal utility and price of the goods consumed is equal for all the goods in the bundle.
The ratio for Good A
= 
= 2
The ratio for good B
= 
= 3
Since the ratio is higher for good B, the consumer should shift from consumption of good B to good A until the ratio is equal for both the goods.
Answer:
C
Explanation:
Market segmentation is the process of dividing a market of potential customers into groups, or segments, based on different characteristics. The segments created are composed of consumers who will respond similarly to marketing strategies and who share traits such as similar interests, needs, or locations.
Answer:
a. Physical appearance
Explanation:
The Physical appearance of a person is as a result of the genetic make up of the individual. This factor barely has an influence on an individual’s core belief system.
Religious background is a key element of individual’s core belief system as it forms the basis of one's belief about God, life, fate and destiny.
Family upbringing forms the basis of one's belief as the individual grows. The influence of the members of a family forms a part of the individual's core belief.
Life experiences as well forms a key part of our belief system and the same goes for personality.
