The correct number is t20. **

Yes, you can tone your hair with Wella T18. Wella T18 is a popular toner that is specifically designed to remove brassiness and create a cooler, ashier tone in bleached hair. It is best suited for hair that has been pre-lightened to a pale yellow shade. Make sure to follow the instructions carefully and perform a strand test before applying it to your entire hair to achieve the desired results. **

To change the Endura T18 coil, first, unscrew the tank from the battery. Next, unscrew the base of the tank to access the coil. Remove the old coil by unscrewing it from the base and discard it. Then, insert a new coil into the base and screw it in securely. Finally, reassemble the tank by screwing the base back on and attaching it to the battery. **

Astronomy research involves studying celestial objects such as stars, planets, galaxies, and other phenomena in the universe. Researchers use telescopes, satellites, and other instruments to observe and analyze these objects to better understand their properties, behavior, and evolution. By studying astronomy, researchers aim to answer fundamental questions about the origins of the universe, the nature of dark matter and dark energy, and the potential for life beyond Earth. **

The engine of the Celica T18 STI may run at low RPM at higher engine temperature due to a variety of reasons. One possible cause could be a malfunctioning cooling system, leading to overheating and affecting the engine's performance. Another reason could be a faulty sensor or component in the engine management system, causing incorrect readings and adjustments at higher temperatures. Additionally, issues with the fuel system or ignition system could also contribute to the engine running at low RPM when the temperature rises. **

Primary research involves collecting data directly from the source, such as through surveys, interviews, or observations. This type of research is conducted by the researcher and is tailored to the specific needs of the study. Secondary research, on the other hand, involves analyzing existing data and information that has already been collected by others, such as academic journals, government reports, or industry publications. Market exploration is a broader term that encompasses both primary and secondary research methods and involves investigating the market to gather information about consumers, competitors, and industry trends in order to make informed business decisions. **

Market research involves collecting and analyzing data about a specific market, including customer preferences, buying habits, and competitor analysis. It is a more structured and focused approach to gathering information to make informed business decisions. On the other hand, market exploration is a broader and more open-ended process of discovering new opportunities, trends, and potential markets. It involves more creativity and innovation in identifying new possibilities for business growth. In summary, market research is about gathering specific data to answer defined questions, while market exploration is about exploring new ideas and opportunities in a less structured manner. **

Training professions in astronomy include astronomers, astrophysicists, and research scientists who study celestial bodies and phenomena. These professionals typically have advanced degrees in astronomy, physics, or a related field, and often work in universities, research institutions, or government agencies. They may specialize in areas such as observational astronomy, theoretical astrophysics, or planetary science, and use advanced technology and techniques to conduct research and make new discoveries about the universe. **