Which element can form straight chains, branched chains, and rings

Why do scientists agree to use one system of measurement

A rocket, weighing 43576 N, has an engine that provides an upward force of 11918 N. It reaches a maximum speed of 713 m/s. For how much time must the engine burn during the launch in order to reach this speed? Call up positive.

Explain the difference between the arrangement of particles in different matter.

Based on the meaning of cryosphere, which of the following is the most likely definition for the prefix cryo-?

Which chemical compounds absorb large amounts of the sun's energy in the atmosphere? Select one: a. Nitrogen compounds, water vapor, and carbon compounds b. Carbon dioxide, water vapor, and dust c. Methane, nitrogen compounds, and dust d.

The Biot-Savart force law deals specifically with: a/the magnetic field surrounding a long, straight wire b / currents induced in a conductor c / the duplication of poles in a bisected bar magnet d / the force between magnetic poles

If the efficiency of a lever is 30% and 560 J is used to move the lever, what is the work output? A) 18.7J B) 168 J C) 1,867 J D) 16,800 J

What likely happens to the hart rate as the cardiac mucle gets stronger

How does deforestation contribute to the greenhouse effect?

Explain the process of adaptive radiation. Give an example.