I think it is 1 and 2
pls mark brainliest pls T H A N K S
Perhaps the most successful way we've been able to use light to transfer information is fiber optics. ... Through rapid changes in the light, you can send highly complex signals down the cable. These are most often used either for high speed internet connections, or for sending sound signals to home theater systems.
The answer is high pressure. In a nuclear reaction process, high temperature and high pressure is required for turning hydrogen nuclei into a helium nucleus. It is impossible for it to happen simultaneously because it requires tremendous amounts of energy. Extreme conditions are required for the atoms to overcome electrostatic repulsion.
<span>They advise that you decrease the number of allowances on your W-4. The more allowances that you have, the less taxes you pay during the year, but this can also decrease your end-of-the year refund greatly. The goal is to take as much tax out of each paycheck as needed to get a refund at the end of the year. A person’s job looks at these allowances to determine how much taxes an employee needs to pay each paycheck.</span>
