Because not all stars are the same distance from earth, it can be difficult to determine?

A. The brightness of a star

B. The position of a star in the night sky

C. whether or not a particular star is real

D. If a star can be seen with a telescope

Which of the following terms is used for the chemical composition of a compound? (A.) Element Formula (B.) Chemical Formula (C.) Electron Arrangement (D.) Bond Arrangement

What does the atomic mass tell you about an element?

What causes earthquakes?

The passage of electricity is caused by the movement of what

An engineer designs a roller coaster so that a car travels horizontally for 162 ft, then climbs 137 ft at an angle of 31.0° above the horizontal. It then moves 137 ft at an angle of 48.0° below the horizontal.

Teens realize that things may be "shades of gray" after they enter Piaget's social stage. identity crisis stage. menarche stage. formal operational stage.

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?