Ella is interested in combining substances to form a new material. What does she need to know before she combines the subsiances to create a specific material?
A
whether the substances are synthetic or from natural resources
B.
that all materials react to combine and for new products accidentally
the physical and chemical properties of the material that will be formed
the physical and chemical properties of the substances and how they react chemically​

i believe you meant to say air rather than hair so the answer is below ")

the dead sea, the lowest place on earth at 430 metres (1,410 ft) below sea level, has a correspondingly high typical atmospheric pressure of 1065 hpa.

answer; i believe the correct answer is (anemia);

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

the elements of art are the visual tools that the artist uses to create a composition. these are line, shape, color, value, form, texture, and space.

the principles of art and design are balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.