How much salt is found in freshwater?

Less than 1%

Around 10%

0%

Around 20%

Which of the following atoms would bond covalently? A. Carbon and neon B. Lithium and fluorine C. Silicon and sulfur D. Calcium and magnesium

A factor that is kept the same between the control and experimental groups is called

Liquids are fluids but gases are not true or false

David is doing an investigation about factors that affect plant growth, so he plants two young elm trees near each other in his garden.

The characteristics of a certain gas are listed in the table. Characteristics of a Gas Characteristic Description Compound Chlorine gas Condition STP Mass 3.2 grams What is the expected density of the above sample of gas? 03.16 g/L 1.58 g/L 1.

Is a sample of liquid nitrogen more dense than a sample of nitrogen gas

You have a balloon containing 1 L of air at STP in a vacuum chamber. What will the volume of the balloon be when you reduce the pressure by half and increase the temperature to 373 K?

Which method will correctly determine whether the forces on an object are balanced or unbalanced? A. Multiply the forces in the horizontal direction by the forces in the vertical direction. B.

Carbon is found in all known forms of life. Which statement best describes why carbon is uniquely suited to forming macromolecules such as those found in living organisms? A. Carbon forms large compounds that are not chemically reactive. B.

Name a type of asteroid and give a description.