Answer: the second one " the seasons are caused by the tilt of earth's axis and how much solar radiation each area of earth receives. "
Explanation:
i took the test on k12.
If your question is of the core of the Earth, it is suspected to be made of iron and nickel.
Answer:
See explanation and image attached
Explanation:
The compound SF4 is sulphur tetraflouride. It has a zero formal charge and has a total of 34 valence electrons.
The central atom in the molecule is sulphur in an sp3d hybridization state hence the molecule has a trigonal bipyramidal electron geometry. Since it is a molecule of the sort AX4E; it gives a see-saw molecular shape.
The structure of the molecule is shown in the image attached to this answer.
Because when mixed the food coloring spreads to the less dense parts of the water cup.