Which of these is NOT one of the 3 Bs of light you learned about in this lesson? bounce
block
bend
break

pl answer

Who was the first scientist to measure speed as distance over time?

This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?