7. When substances are combined to form a mixture, they A. keep their original properties

B. form new chemical bonds

C. form a new compound

D. cannot be separated physically

keep their original properties

Explanation: a mixture is, by definition, a combination of substances that do not interact, so they do not form new bonds/new compounds. They can usually be separated physically.

a. they must be certified by the avma.

explanation:

mark brainliest and have a great day!

odds are decent that your handwriting right now looks a little bit different than it did five years ago, and will look different again in five more. when i look back through my notebooks from middle school to now, i see a long, slow progression from meticulous and teeny letters to bigger, sloppier ones, plus a few side detours: sometime in high school, for example, i decided those loopy cursive lowercase f’s were just the coolest, adopting them as the lone rep for cursive in my otherwise all-print handwriting.

explanation: