Why energy must flow from the sun's core to its surface?

Magnesium is an alkaline earth metal with an atomic number of 12. It's in the third row in the periodic table. Which expression shows one way to find the number of valence electrons in one atom of magnesium? A. 12x3 B. 12/3 C. (12-8) - 2 D.

For both waves on strings and sound waves in tubes, For both waves on strings and sound waves in tubes, A. The mode number is independent of the wavelength. B. A higher mode number means a shorter wavelength. C.

Describe the process of electricity generation and the efficiency and economics of it

What are the parts of the lithosphere

If a force of 10 N is applied to a 4.5 kg object, then the object will accelerate at 2.22 m/s2. True or False?

Why is a decrease in Earth's ozone harmful to life?

What force does a window washer want acting on him when trying to keep the same position

How many Mars-sized planets can fit in Jupiter

Is tin magnetic, ferromagnetic or non-magnetic?

Mrs. Newman's class decides to perform an experiment during a class connect session to determine how long it takes different objects to hit the floor when dropped from the student's desk. Each student dropped three notebooks, one weighing 0.