Which phrase describes a planet’s period of rotation? a. the shape of its orbit b. its tilt relative to the sun c. one complete spin on its axis d. one complete orbit around the sun and tell why

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 !

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?

Avector a⃗ has a length of 8.6 m and points in the negative x direction. find the x component of the vector −3.7a⃗ .