Who are currently operating the international space station? a. soviet cosmonauts b. a cooperative team of scientists from 16 countries c. american astronauts d. a cooperative team of scientists from russia and the united states

Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.

What is a possible result of higher air temperature caused by global warming

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?