The shape of elongated hills labeled drumlins is most useful in

determining the

A) Age of glaciers

B) Direction of glacier movement

C) Thickness of glacial ice

D) Rate of glacial movement

Which of the following combines with harmful gases to create air pollution? fertilizers smoke particulates sewage

It is possible to increase a reaction rate by adding very small amounts of a catalyst, and this is because ... A. The catalyst is used over and over again during the reaction. B. Only a small amount of catalyst is needed to increase temperature. C.

A solution has a [H+] = 0.00025. What is the pH of this solution?

Which of the following statements correctly describes how Moseley's research affected the development of the periodic table? Moseley's research led to the reorganization of the elements based on their atomic mass instead of their physical appearance.

How many moles of helium atoms are there in 2.4 x 10^24? need equation

How much thermal energy (q) is required to heat 15.2 g of a metal (specific heat = 0.397 J/G) from 21.0 degrees C to 40.3 degree C

Two gas jars are connected to each other, but they are separated by a closed valve. One gas jar contains oxygen, and the other is empty. What will happen when the valve is opened?

4. Calculate the final concentration if water is added to 1.5 L of a 12 M NaOH solution to make 3.0 L of a diluted NaOH solution. Your answer

Why is it possible to safely drink a solution that contains a 50:50 mixture of equal concentrations of a strong acid and a strong base, either of which, if ingested separately, would be very caustic and damaging?

Explain why many compounds that contain one or more hydrogen atoms are not classified as arrhenius acids