Why don't we get our drinking water from the ocean?

If you're stuck at sea and thirsty, drinking seawater might seem like an option, but it's dangerous. Seawater is much saltier than your blood, (1) __________, making you more dehydrated. Your kidneys try to get rid of the extra salt, but they need fresh water to do that. Without enough fresh water, drinking seawater can lead to salt poisoning, causing serious damage to your cells and organs.

To survive in this situations, you need to find or create a source of freshwater. In the 4th century BCE, a philosopher described two ways of turning seawater into drinkable water: thermal desalination and reverse osmosis. Thermal desalination, an ancient method, (2) __________. Reverse osmosis uses pressure to push seawater through a membrane that filters out the salt. Both methods are still used today to make seawater drinkable, though each has its challenges. In terms of their efficiency, reverse osmosis is more energy-efficient and less wasteful than thermal desalination. (3) __________.

An alternative source of freshwater is wastewater. Reverse osmosis can purify wastewater more easily than seawater, as it contains less salt and fewer contaminants. By producing safe, drinkable water with reduced energy consumption, (4) __________.

In a survival situation at sea, drinking your urine or eating protein-rich foods is not a good idea, as it can make you more dehydrated. (5) __________. In extreme cases, people have resorted to drinking blood from animals as an emergency hydration source, though this is far from ideal and should only be used if necessary.

(Adapted from https://www.ted.com)

Maintaining a balanced diet is crucial for overall health and well-being. Nutritionists emphasize that (1) __________. Consuming a variety of foods ensures that individuals receive essential nutrients required for optimal body function. Additionally, (2) __________, which can have a negative impact on physical and mental health. A balanced diet also plays a key role in preventing chronic diseases such as diabetes, heart disease, and obesity. Moreover, proper nutrition supports immune function, helping the body to resist infections and illnesses.

Many people struggle to incorporate healthy choices into their diets. Often, (3) __________ that makes it difficult to maintain a balanced diet. This issue can be particularly evident in fast-paced lifestyles where convenience is prioritized over nutrition. Furthermore, (4) __________, making it challenging to adopt healthier eating habits. Social factors, such as peer pressure and cultural preferences, can also influence dietary choices, sometimes leading individuals away from healthier options.

To promote better eating practices, it is essential to (5) __________. Simple changes, such as meal planning and cooking at home, can lead to significant improvements in diet quality. Additionally, increasing awareness about the benefits of nutritious foods and providing accessible resources can encourage individuals to make more informed food choices.

Apprenticeships: A Pathway for Adolescents

Adolescence is often seen as a challenging stage in life, but this idea is shaped by modern systems. (1) _______. Confined to restrictive school systems and isolated from real-life experiences, adolescents may feel frustration, apathy, and anger. (2) _______. In many cultures, teenagers are capable of young adults who contribute to their communities.

Dr. Robert Epstein explains that modern schooling and restrictions on youth labor are outdated. These systems were created during the Industrial Revolution and do not fit today's world. (3) _______, adolescents often feel disconnected from adult roles. However, teenagers can succeed (4) _______.

One solution is expanding apprenticeships. These programs, praised by leaders like President Trump, give teenagers practical experience and skills. (5) _______, creating a pathway for career success and personal growth.

It is important to support adolescents by creating opportunities for them to develop naturally. Apprenticeships offer a formal pathway to success and a better connection to the adult world.

Internships play a crucial role in career development by providing students and young professionals with hands-on experience in their chosen fields. (1) __________. According to a 2023 survey by the National Association of Colleges and Employers (NACE), 56% of students who completed an internship received at least one job offer after graduation, compared to only 36% of those without internship experience. (2) __________.

One of the key benefits of internships is skill development. Interns gain valuable technical and soft skills, such as communication, teamwork, and problem-solving, which are essential in any profession. Additionally, internships provide networking opportunities. By working closely with professionals, (3) __________.

Furthermore, internships help individuals explore different career paths before committing to a full-time job. Many students enter college with an idea of what they want to do but realize their interests change after experiencing real work environments. (4) __________, ensuring they make informed career decisions.

While internships offer numerous benefits, unpaid internships remain a concern, as they may limit opportunities for students (5) __________. However, paid internships are becoming more common, with over 60% of internships in the U.S. now offering financial compensation.

In conclusion, internships are a valuable stepping stone for career success. They provide practical experience, improve job prospects, and help individuals find the right career path.

In general, artists are creative people who want their work to have an effect on those who see it. Great art can definitely inspire positive feelings. However, people's ideas about what "great art" is (1) __________. For example, Impressionist art is now widely considered to be great. However, it was controversial for many years. People said that the style of painting and the use of color were too different from traditional art.

Modern art can be controversial, too. Take Andy Warhol's Campbell's Soup Cans. As the name suggests, it was 32 pictures of cans of soup. (2) __________ in Los Angeles in 1962, some experts liked it, but many people said that it was not art. Carl Andre created another controversial piece of art, Equivalent VIII, an installation (3) __________. The Tate, (4) __________ England, bought the unique work in 1976. It was not expensive, but public reaction to the exhibition was negative. People expected to see portraits on the wall, not bricks on the floor. How will people feel about Campbell's Soup Cans and Equivalent VIII in the future? Will people think they are works of genius, (5) __________? Only time will tell.