How many trees were sold in all during 1999 and 2000?

17 of 24 Constants In an experiment to simulate conditions within an automobile engine, 0.165 mol of air at a temperature of 700 K and a pressure of 3.40*106 Pa is contained in a cylinder of volume 280 cm3.

Does toothpaste have matter

Substances that enhance the flow of current are called. Substances that inhibit the flow of current are known as. Substances that neither conduct nor inhibit well are called.

What happens when a wave hits a barrier with a single opening?

How do valence electrons relate to cation formation? A) Atoms Gain valence electrons to form cations B) Atoms lose valence electrons to form cations C) Atoms yield valence electrons to form cations D) Atoms produce valence electrons to form cations

Why do electrical devices have resistance

Arrange the steps of energy production in the correct order. Tiles consumption of food cellular respiration in mitochondria breakdown of starch into glucose absorption of glucose molecules creation of ATP

Hundreds of millions of years ago, all the continents on Earth were connected to form a giant "supercontinent" called Pangaea. How might ocean currents have differed during the time of Pangaea compared to today? Explain your answer.

You have a ruler that is marked to the nearest half centimeter. Which of these measurements is written with the correct amount of precision? A) 2.0cm B) 3.14cm C) 5 cm D) 100cm

What kind of information can you gather from a stars spectrum