How do sedimentary rocks form on Earth's surface? A
in vertical stripes
B
with no clear pattern
с
in horizontal layers
D
in a crisscross pattern

What is the study of how matter and energy interact? a. biology b. physics c. planetary science d. chemistry

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as