Which statement about the physical change of liquid water boiling into steam is true? The heat added represents an energy change. The action cannot be reversed. The steam cannot conserve mass. The weight lost represents a mass change.

Are renewable resources also natural resources? Why or why not?

If your dream is to be a soccer player. You got skills and one day it was your time to go to a another country but your family didn't want you to leave. You just lose a chance to play for one of the greated teams on Spain. What can you do?

Phenotype describes A. the genetic makeup of an individual B. the DNA in an individual C. the appearance of an individual D. the actual genes in an individual

Which organism uses photosynthesis

Why does helium exhibit more visible emission lines than hydrogen?

Technician A says that fractured rods have a unique mating surface and that only the cap that was fractured is the one that will fit that rod. Technician B says that a powdered metal rod is less expensive, lighter, and as strong as a forged rod.

What is the expected wavelength (in cm) of 10.5 ghz microwaves in free space?

There are 5,280 feet in 1 mile and 12 inches in one foot. How many inches are in a mile?

An anion is an atom that has lost electrons. True or False?

Question: Jane, looking for Tarzan, is running at top speed (4.5 m/s) and grabs a vine hanging vertically from a tall tree in the jungle.