Answer:
Independent variable - time. Dependent variable - the distance moved by the bubble along the capillary tube. Control variables - temperature, air flow or draughts, adequate supply of water.
Sounds like a multiple choice question, may I have the options?
The answer is A, earthquake. Typically, tsunamis can form after an earthquake. This happened in Indonesia a couple of times. I hope this helped! :-)
Answer:
iv is the amounts of salt added to water
Explanation:
because it being controlled in the expariment by the scientists.
O) Organic Matter
A) Surface soil
B) Subsoil
C) Parent Rock
R)Bed rock