The international space station travels at a distance of about 250 miles above Earth’s surface and at a speed of 17,500 miles per hour. Even though space dust and debris can be tiny, 1 centimeter or less in size with a mass of 10 grams or less, there is always fear that the space station will sustain damage from a collision with a small piece of space debris. Why should scientists be concerned about a collision with such a tiny object? Use evidence and scientific reasoning to explain your answer.

Why do electron microscopes have higher resolving power than light microscopes?

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

Ineed the answer to question 1 , i’m desperate