Why must the retina be smooth in a living eye

The element phosphorus is located to the right of the element magnesium along the same period in the periodic table. Which best describes the relationship of the elements? A. Magnesium has a larger atomic number B.

Diego has been observing how well a type of plant grows in diffrent locations. he convludes that location with bright sunlight is the best for the plant.

Which of the following actions can result in decreasing the pressure of a gas inside a sealed container: increasing the collision rate between particles, increasing the speed at which the gas particles move, decreasing the collision rate between

A mixture is made by combining 1.64 lb of salt and 4.66 lb of water. what is the percentage of salt (by mass) in this mixture?

What do you call a molecule that is hydrophobic and hydropbilic?

In an experiment, a student estimates the acceleration due to gravity is 9.31 m/s2. The actual value is 9.8 m/s2. What is the student's percent error

Phosphoric acid can be used to clean scale (calcium carbonate) from water fixtures like taps by reacting with it to form products that dissolve easily. warming the phosphoric acid solution would - a. remove less scale. b. remove more scale. c.

What is the formula for tin (ll) chromate

Temperature is measured with a

Explain why an aqueous solution of Na2SO4 is neutral while an aqueous solution of Na2CO3 is basic in nature?