The contour interval is the spacing between the lines on a topographical map. Even though they are not drawn evenly, they must be numbered at even intervals - such as 10, 20, 30, 40, or 50, 100, 150, 200, etc.

true or false

i think that it is plants

i believe the answer is snake.

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.