You see the moon on the meridian at sunrise. The phase of the moon is

What is the name of the theory that led to the development of the theory of plate tectonics

Diagnostic ultrasound of frequency 3.45 MHz is used to examine tumors in soft tissue. (a) What is the wavelength in air of such a sound wave? (b) If the speed of sound in tissue is 1500 m/s, what is the wavelength of this wave in tissue?

If a car increases its velocity from zero to 60 m/s in 10 seconds, its acceleration is

Light has properties of both a particle and a wave. true or false

How close can people get to a lion that's wild and untrained

Which boundary is likely to form mountains why?

What is the conversion of celcius to kelvin?

Why does the percentage of water vapor vary?

A situation that restricts something

Why is the sky blue all the time