Which organisms are the best example of producers in a food web? A. zooplankton B. krill C. killer whales D. marine phytoplankton

What are Chemical properties of vinegar

What group of elements are the most reactive nonmetals?

A force of 6 newtons is used to move an object 10 meters. How much work is done? 600 newton-meters 6 newton-meters 60 newton-meters 10 newton-meters

To be considered a source of water pollution, the source must include a chemical.

Explain why the density of a solution increases as the concentration increases.

Which best describes the relationship between solute, solvent and solution? 1. A solution and solute combine to form a solvent 2. A solute is dissolved in a solvent to form a solution 3. A solvent is dissolved in a solute to form a solution 4.

A watermelon weighing 10 newtons is lifted 2 meters. How much work is done?

If an atom donates or accepts an electron, what is it considered

In this experiment, you will measure mass and volume of various sport balls, both regularly shaped ball and irregularly shaped.

An atom that has a negative four charge will have one of the following? A. 4 more protons than electrons B. An equal amount of protons and electrons C. 4 more electrons than protons D. 2 more neutrons than protons