Particles in which state are close together, yet free to move around one another?

Why might a plant that normally grows in one environment not grow well in a different environment?

Which is the most abundant element in the Sun?

Do all simple machines have a fulcrum

A typical carbon atom has six protons, six neutrons, and six electrons. Which of these has the least amount of mass? A) one Proton B) one Neutron C) six Electrons D) These masses are too tiny to measure

Which of the following contributes to the phases of the Moon as seen from Earth? The Moon orbiting the Earth. The Sun lighting different parts of the Moon at different times. Varying amounts of the Moon's lit surface being visible from Earth.

You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s. Calculate the energy.

Three ideal polarizing filters are stacked, with the polarizing axis of the second and third filters at 21 degrees and 61 degrees, respectively, to that of the first. If unpolarized light is incident on the stack, the light has intensity 60.

What does an electric current produce

A series circuit contains three 2 Ω resistors and a 6 Ω resistor. The current in each resistor is 4.0 A. What is the voltage of the battery in the circuit? 2.0 V 3.0 V 32 V 48 V

A solid metal ball and a hollow plastic ball of the same external radius are released from rest in a large vacuum chamber. When each has fallen 1 m, they both have the same?