How do organisms use geosphere?

Is the sun abiotic or biotic

A sample of fluorine-18 in a laboratory has an initial mass of 50mg. flourine-18 has a half life of 1.8 hours Calculate the amount of time it will take for the initial mass of fluorine-18 to be reduced from 59 mg to 12.5mg

How to find final velocity given mass and initial velocity only?

A radio wave has a frequency of 1000Hz. What is the energy of the wave?

Suppose all the mass of the Earth were compacted into a small spherical ball. Part A What radius must the sphere have so that the acceleration due to gravity at the Earth's new surface was equal to the acceleration due to gravity at the surface of

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.