How does the term "lactase persistent" relate to the term "lactose tolerant"?

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material

Which state of matter has the following physical properties: ~ takes the shape of the container it is in ~ takes the volume of the container it is in ~ low density. answer is gas

Approximately how much solid waste do americans produce annually? a) 250 tons b) 250 thousand tons c) 250 million tons