The kind of weathering caused by water freezing in rocks is known as

A) chemical weathering

B) mechanical weathering

C) root-pry

D) pedalfer

What structures does air pass through as it travels to the lungs?

Which of the following is a homogeneous mixture? a. sugar dissolved in water b. oxygen and nitrogen gases in the air c. oil and vinegar salad dressing d. a silver mercury amalgam used to fill a tooth cavity

The momentum of an object depends on which two quantities?

Why does one mole of carbon have a smaller mass than one mole of sulfur?

How do you solve graduated cylinder questions?

A chemical reaction produces CO2 (g). If 44 g is produced at 1.0 atm and 25°C, what volume will the gas occupy? (Assume that CO2 behaves as an ideal gas under these conditions.

What is the smallest carbohydrate called?

One of the characteristics of living things is that they respond to external changes in their environment so that their internal environment stays as stable as possible. why must an organism do this

A 21.0 kg child is running at a velocity of 2.50 m/s. The child is carrying a 2.25 kg gallon of milk. What is the momentum of the child and the milk together?

What's the mass number of this carbon atom?