An asteroid hit the Earth and created a huge crater. Engineers and scientists have measured around the crater and found it to be 79.5 miles. How much of the Earth’s surface was affected by the crater impact? Round your answer to the nearest hundredth.

Which of these terms are associated with communication between neurons? chemical signals, electrical signals, synapse chemical signals, synapse, neurotransmitters synapse, electrical signals, chemical signals synapse, electrical signals, neurotransmitters

Show all steps i have my exam tomorrow

Iknow this isn't a question, but is there someway to ask a question under public safety or is there no category for it? i don't know if i'm overlooking it or not.