Most pure oils are odorless and light yellow (colorless).

Polycarbonate (PC) has the characteristics of colorless, odorless, tasteless, nontoxic, high strength, impact strength, etc.

Amorphous is to shape as odorless is to______. () A: weight B: worth C: scent D: anger E: appearance

Fats and fixed oils are greasy or waxy substance that ill their pure state are normally tasteless, colorless, and odorless.（） A: or B: substance C: their D: normally

CO₂<br/>is invisible, tasteless and odorless, which has helped keep the truth<br/>about what it is doing to our climate out of _______<br/>and out of mind. A: kilter B: trouble C: sight D: slight