Explain nuclear fusion?

1013

Why does marble rarely contain fossils?

819

What is the richter magnitude scale?

1027

How are fossils formed?

821

A solar collection has been installed to heat water. A large water tank has a volume of 5.0 x 105 cm3. The area of the solar collectors is 8m2. (2 meters by 3 meters). If the water in the tank starts out with a temperature of 30°C in the morning, what is its temperature in the evening after the sun has set?

1988

What does gravitational force depend on?

981

Tell me why is heavy water used as a moderator?

899

Explain real and virtual image?

1010

What is volcanologists?

941

What is the principle of superposition?

999

What is environmental geologists?

795

For two objects separated by a distance d, if the mass of one of the objects is doubled, what will happen to the gravitational attraction between them?

1021

What is reflection of light?

1061

Explain which kind of volcano is the most destructive?

788

Explain what formula is most appropriate to compute the kinetic energy of a block of ice sliding down an inclined plane?

959