Which layer of soil often contains litter?

a.

the A horizon

c.

the C horizon

b.

the B horizon

d.

the bedrock

Is spoiling food a physical or chemical change

Sugar is made up of clear, colorless crystals that dissolve easily in water, but the crystals and their solution do not conduct electricity. Which statement describes sugar? A.) It is made up of atoms that are held together by metallic bonds. B.

A 4 gram metal object displaces 2 mL of water in a graduated cylinder. What is the density of the metal object?

List two ways that the first ionization and second ionization of an atom are similar

A round ball of dough is rolled and flattened into a sheet to make pie crust. Based on the scenario, what physical property of the dough has changed? taste color temperature shape

Will a parachute slow a skydiver more at a very high altitude or a lower altitude?

Carbon monoxide is: Only found in large cities An odorless, colorless, toxic gas Healthy to breath in A danger when driving on the open highway

What is a potential benefit of fuel cell cars? increased efficiency converting gasoline to energy no recharging necessary decreased automobile cost larger engines

Water is a great solvent. For example, it causes ionic compounds like sodium chloride (table salt) to dissociate. One of these reasons that water does is because it is polar molecule.

For most compounds with a single keto group in the molecule, equilibrium favors the keto form over the enol form of the compound. this is due largely to what?