Which is an indicator of poor air quality?

salt

bacteria

fertilizer

smog

Which of these is a result of selective breeding? OA. kangaroos having a pouch OB. gorillas having black fur OC. fish being able to breathe through their gills OD. apples coming in many different varieties

Which of the following is an endothermic process? condensation freezing solidification evaporation

Calculate the molality of a solution formed by adding 26.0 g NaCl to 74.0 g of water at 10.0 °C. The density of this solution is 1.203 g/mL at 10.0 °C. The molar mass of NaCl = 58.44 g/mol and the molar mass of H2O = 18.02 g/mol.

Which formula represents a hydrocarbon

How many grams of KClO3 are needed to make 3.50 moles of KCl?

Which of the following is responsible for the cohesive property of water? A. Covalent bonds between the hydrogen atoms of two adjacent water molecules B.

On the ph scale, which value represents a base? 3 7 10

Is it possible for a molecule only made up of hydrogen and carbon to be polar?

Calculate the number of moles of 2 g hydrogen gas

Copper and silver are examples that will form what bond