The suns surface layer is called the photosphere.
true or false?

According to newton's second law, when the same force is applied to two objects of different masses, a the object with greater mass will experience a great acceleration, and the object with less mass will experience an even greater acceleration, b. the object with greater mass will experience a smaller acceleration, and the object with less mass will experience a greater acceleration, c. the object with greater mass will experience a greater acceleration, and the object with less mass will experience a smaller acceleration, d. the object with greater mass will experience a small acceleration, and the object with less mass will experience an even smaller acceleration.

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?