In this example: "A bug repellant is sprayed on one arm the other arm is not sprayed. The number of bug bites is recorded after 2 hours."
What is the dependent variable?

2 hours

Number of bug bites

Bug spray/no bug spray

Aplant may open end close its stomata to prevent excess water loss and maintain

Explain how scientists use geologic time to determine the age of landforms.

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.