A wheel of perimetre 220cm rolls ona level road at a speed of 9 km per hr.how many revolutions does the wheel make per second?
1 5418
What is happening when a metamorphic rock is forming?
What is pyrite?
Which waves are used in sonography?
What is 'geologic time'?
Explain me structural geologists?
Who did first record the sound?
What do you mean by loam soil?
What is drift (or drive)?
Discuss major factors that influence mass movements?
What is parallel force?
What is sonar?
Explain radio telescopes?
What is gravel?
Explain the difference between emission and absorption line spectra. : quantum physics
Define declination?