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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)
Adolescence is an important time for developing healthy habits that support mental well-being. These include getting enough sleep, staying physically active, and learning how to solve problems and handle emotions. (1) _______ at home, school, and in the community is also very important.
Many factors can influence a teenager's mental health. (2) _______. Stress can come from dealing with tough situations, trying to fit in with friends, or discovering their identity. Social media and gender roles can increase this stress by (3) _______. Their relationships with family and friends, bullying, violence, and financial problems are also significant factors.
Some teenagers face bigger challenges than others. Teens who live in dangerous or stressful places are more likely to have mental health problems. (4) _______. For example, teens with long-term illnesses, disabilities, or autism often have a hard time. Pregnant teens, young parents, or those in early or forced marriages are also at higher risk.
Providing access to support and services (5) _______.
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.
Green jobs, which are careers that support environmental protection, are becoming more common for many reasons. Today, (1) _______. As individuals learn how greenhouse gases cause global warming, higher sea levels, and extreme weather, interest in sustainability-focused work has grown quickly.
Green jobs appear in many sectors, not just in one industry. Renewable energy is one major area, with new positions in solar, wind, and biomass power that require trained experts. Waste management also offers roles such as recycling professionals, environmental inspectors, and treatment technicians. (2) _______. Architects, landscape designers, and engineers in green design work on environmentally friendly solutions, (3) _______.
These careers support the green economy, which aims to protect the environment while creating long-term economic growth. Governments and businesses are investing more in eco-friendly technologies, which increases the demand for green jobs. The creation of government policies favoring clean technology (4) _______.
The rise of green jobs has also produced new professions. For example, carbon project developers help reduce greenhouse gas emissions through carbon-offset projects. Climate startups such as Fairtamos contribute to this trend (5) _______.
A 4D cinema is an exciting place to watch movies. It is different from regular cinemas because it has special effects that make you feel like you are inside the movie. In a 4D cinema, the seats move, and sometimes you feel things like wind, water, or even smells during the movie, (1) __________. For example, if there is rain in the movie, you might feel a light spray of water. If there is an action scene, (2) __________. Many people like 4D cinemas because they make watching movies more exciting. Kids, in particular, enjoy these effects because it feels like a real adventure. (3) __________ who want to try something new and thrilling. Watching a movie in 4D can be a little expensive, (4) __________.
However, 4D cinemas are not everywhere, so some people may need to travel to a big city to find one. Some people might not like the movement and effects if they feel dizzy or uncomfortable. But for those who enjoy it, a 4D cinema makes movies unforgettable. It turns a normal movie experience into something special, (5) __________.