Hey guys. whats with the account telling you to download a file. Is it dangerous?

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar