Answer:
Ocean currents result from two processes - the action of wind on the surface of the water, and from variation in water temperature that causes movement- a process known as convection.Mantle convection is the slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior to the planet's surface. ... This subducted material sinks through the Earth's interior.
Explanation:
First blank - mitochondria
Second blank - ribosomes
There is an expected increased demand for both hydrologists and environmental scientists because of the increased demand for use of natural resources and the need to enforce all of the environmental laws and regulations. They also need to analyze human impact on the environment and ensure all of the proper disposal of human wastes. The hydrologists and scientists also advise policymakers in the government about numerous other things. They will also clean up polluted areas all over the world. The goal for these workers is to reduce industry waste. The men and women who do this job works in the field, offices, and also in laboratories. This is usually a full time job. The starting yearly salary for these specialists is an estimated $67,450 U.S dollars, as of May 2016. The expected job growth is 11% by by 2024. A person will need a Bachelors degree to pursue this job. So, the correct answer will be B.