If a fire occurs in a desert ecosystem, what kind of ecological succession is more likely to occur there after and What changes do you think will take place there?

If one's hands are being warmed by holding them to one side of a flame, the predominant form of heat transfer is what process? a. conduction b. radiation c. convection d. vaporization

A machine uses 1000 j of electric energy to raise a heavy mass, increasing its potential energy by 300 j. what is the efficiency of this process? yahoo

If the minute hand of a large clock is 0.50 m Long what is its linear speed at its tip in meters per second

A 4-ohm resistor is connected in parallel with a 6-ohm resistor. this combination produces an equivalent resistance of

A boy pushes on a parked car with a force of 200 n. the car does not move. how much work does the boy do on the car?

Which statements about energy are true? A. Energy is only Found in moving objects B. Energy is never created C. Energy can move matter D. Energy is the same as force E. Energy is never destroyed

Which phrase defines gross domestic product (GDP)

Which best describes a difference between energy transformations in power plants and dams?

A subsonic airplane is flying at a 5000-m altitude where the atmospheric conditions are 54 kPa and 256 K. A Pitot static probe measures the difference between the static and stagnation pressure to be 22 kPa.

For much of the year this desert is hot dry and windy. What type of plant would you most expect to survive in this climate