What is the independent variable? A: Respiration from the
germinated seeds

B:The amount of light in the room

C:The room temperature

D:Acidity/color

Acommon kind of mechanical weathering is called

You see a white marker with an orange circle and black lettering. what does this marker tell you

18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions