Answer: c. Producers.
Explanation:
A hydrothermal source is a crack in the earth through which water flows, was heated under the surface by magma. Heat causes water to flow precipitously to the surface. If the crack is on the earth, it is called Geyser, and if it is underwater, it is called fumarole.
Producers are those organisms that synthesize organic matter from inorganic matter, in marine ecosystems marine plants are the primary producers.
For producers to acquire energy, sunlight is necessary, so it was considered impossible for producers to exist in deep waters in the oceans. However, around the fumaroles ecosystems have been found that subsist only with minerals that come from the expelled water, such as sulfur.
I hope this information can help you.
The answer is D, the other ones are facts or scenarios meaning that they had to occur to be noticed.
The primary work of congress is to prepare, discuss, and pass laws, in other words: to make laws for the country. The congress is also called "legistature" from latin "legis" - the making of the law.
Answer: SALARY
Explanation: Frederick Herzberg an American psychologist developed the two-factor theory also known as the Herzberg's motivation-hygiene theory and dual-factor theory.
This theory explains that job satisfaction is largely based on two factors, satisfiers and dissatisfiers. He further explained satisfiers as things such as Performance, recognition, job status, challenging work, recognition for one's achievement, responsibility, opportunity to do something meaningful, involvement in decision making etc
while dissatisfiers as things such as salary, secondary working conditions, the relationship with colleagues, physical work place, relationship between supervisor and employee, insurance vacation etc.
