Why is the density of iron higher than the density of oxygen?

A rock is thrown into a swimming pool that is filled with water at a uniform temperature. As the rock moves beneath the pool's surface and sinks to the bottom of the pool, which of the following statements is true? a.

A gold wire that is 1.8 mm in diameter and 15 cm long carries a current of 260 mA. How many electrons per second pass a given cross-section of the wire? (e=1.60*10-19 C) A gold wire that is 1.

Which of the following BEST describes a deer? primary producer carnivore, secondary consumer tertiary consumer herbivore, primary consumer

A man stands still on a moving escalator and a woman walks past him in the same direction as the escalator. To a stationary observer, the man has a speed of 0.4 m/s and the woman has a speed of 0.52 m/s.

What is the difference between the states of phase equilibrium and metastability?

A cartoon plane with four engines can accelerate at 8.9 meters per second squared

Convert 1087 ft/s to mi/hr

Using the atomic symbol above report how many protons, neutron, and electrons an atom of neon contains.

Which of the following is not shorthand to describe one of the three types of ecological relationships? +/+ -/+ +/0 -/0

Which is a characteristic of an electromagnetic wave?