A white-blue star is hotter than a red star. t f

Why does the solar nebula theory imply planets are common? a. Planets formed from the spiral arms of matter encountered around the Sun. Most main-sequence stars pass spiral arms dozens of times in their lives. b.

What is the best description of a wave? A) a vibration that carries energy B) a disturbance that moves matter C) a medium disturbed by a vibration D) matter that is moved from one place to another

How far a wave travels in one second is a measure of wave what?

Cells are known as the foundation of all life. How have these small structures changed our planet?

When water flows in to the cracks of a rock freezes and breaks into smaller pieces is it a chemical or physical change?

What is electromagnetism?

How much voltage is required to run 0.054 A of current through a 15 2 resistor? Use AV = IR. O A. 0.81 V O B. 1.2 V O c. 2.8x10²v O D. 3.6 x 10-3 v

Which one of the following crystal structures has the fewest slip directions and therefore the metals with this structure are generally more difficult to deform at room temperature? a. BCC b. FCC c. HCP d. BCT

What does equation of trajectory means? what do i get from tat equation? 0_o?

What is the definition of the power transmitted by a wave? A. Power is the amplitude of a wave multiplied by its speed. B. Power is the rate at which the wave transmits matter through space. C.