Is it true that once rock forms it never changes

Which of the following best describes scientific knowledge A.) Durable B.) Absolute and never changing C.) Frequently varies

Does a fish appear closer or farther from a person wearing swim goggles with an air pocket in front of their eyes than the fish really is? Does the fish see the person's face closer or farther than it really is? Explain your answer.

How much time does it take for the bill to fall beyond her grasp? the length of a bill is 16 cm?

What is the number of protons in an atom of sodium? A) 11 B) 11.9897 C) 12 D) 23

What are the minimum requirements for airplane operations under special VFR in Class D airspace at night?

Two sailboats leave a harbor in the bahamas at the same time. the first sails at 23 mph in a direction 330°. the second sails at 34 mph in a direction 190°.

What conclusion can be drawn from the statement that an element has high electron affinity, high electronegativity, and a high ionization energy? A) The element is most likely from Group 1A or 2A and in period 1 or 2.

When a cyclist rides past you on the street, this is an example of

Why are galaxies visible

I hockey puck slides across an ice rink more easily than it does across a rough concrete surface why is this