Answer:
Read the paragraph about social media.
Social media outlets are often criticized as forums for unimportant postings and uniformed rants. Though much of what is posted is conversational drivel, social media outlets also serve as springboards for entrepreneurs. Creative people can advertise their designs or products at a low cost to a wider market than entrepreneurs could have imagined in previous generations. The Internet is the ultimate free marketplace, allowing motivated individuals to share their wares with the world.
What is the controlling idea?
Every entrepreneur should advertise one’s products on the Internet.
The Internet has countless forums on which people share meaningless posts.
Social media has a valid purpose as an inexpensive, creative marketplace.
Advertising products on the Internet is inexpensive compared to television.
Explanation:
Answer: The causes of ocean currents include wind, water temperature/salinity and natural disasters.
Explanation:
A current or circulation is the unified movement of water across the ocean. A Surface current affects the topmost layer of seawater and is defined by the direction of the wind while Deep Currents reach the sea floor though a combination of surface currents and landforms.
Water temperature and salinity cause currents by changing water density which in turn results in deep ocean currents circulating the seawater.
Other conditions that cause strong currents are storms and earthquakes which introduces particles into the seawater.
Fossil Fuels can cause the greatest enviromental problems when collected.
