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Are Carbon and oxygen are both metalloids?

What is the absolute pressure at a depth of 9.31 m below the surface of a deep lake? take 1.01 * 105 pa as atmospheric pressure?

In real machines, efficiency is always

The terrestrial planets and the giant planets have different compositions because

Describe the difference between physical and chemical changes in terms of what happens to the molecules

You push a 50 kg wooden box across a wooden floor at a constant speed of 1.0 m/s. The coefficient of kinetic friction is 0.15. Now you double the force on the box. How long would it take for the velocity of the crate to double to 2.0 m/s?

A star is in hydrostatic equilibrium when the outward push of pressure due to core burning is exactly in balance with the inward pull of gravity.

How are mass and weight different? a. Mass is the space an object takes up and weight is the effect of gravity on mass. b. Mass is the amount of matter and weight is the effect of gravity on mass. c.

What were the discoveries of astronomers like Copernicus and Galileo?

A major obstacle to developing good human relations is that