EASY 12 POINTS ⚠️⚠️ I. Alternate freezing and thawing
II. Karst topography
III. Plant roots
IV. Exfoliation
V. Abrasion
Weathering can be either a chemical or a physical process. The action of water causes physical weathering of rock. Which examples of weathering are the result of the action of water?
A) I, II, V
B) I. and II.
C) I, II, III.
D) I, II, IV, V

Yup no bull frogs here man

Jenny and fred both play a long note on their trombones. a stationary observer hears the sound increasing and decreasing repeatedly in loudness. which of these must be true? the sound waves from the two trombones have slightly different frequencies.the sound waves from the two trombones have the same frequency.the sound waves from the two trombones have slightly different amplitudes.the sound waves from the two trombones have the same wavelength.the sound waves from the two trombones have slightly different velocities.  lolthe answer is          the sound waves from the two trombones have slightly different frequencies.