.Which is true? The highest cliffs in the world are in South Africa.

Coasts and beaches are always sandy.

People are not allowed to build resorts on beaches.

Oystercatchers use their beaks to pry open shellfish.

Which of the following choices is not an effective solution to the energy waste related to inefficient lighting? a. using low-pressure sodium lighting sources b. pointing lights on billboards and street signs upward c. placing light sources on time controls d. shielding light to direct it downward

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

The transport tubes for food coming down the plants are called?