Select the statement that is true regarding scientific theories.

What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.

Match each description of an object’s motion with the position-time graph that represents it. not moving moving with constant speed speeding up slowing down

To take a whiff of your favorite food, you use both? a. motor nerves and your digestive system b. sensory nerves and your immune system c. motor nerves and your skeletal system d. sensory nerves and your respiratory system