Most ecosystems receive the bulk of their energy from the Sun. What ecosystems can you think of that do not receive most of their energy from the Sun? How do the organisms in those ecosystems survive?

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?

What drives an advertising campaign?