CIDESCO QUESTIONS (Natural sciences portion) with complete solutions

which ones are correct? 1. Biological and non-biological substances both need oxygen for their existence 2. the human body consists only of biological substances CORRECT ANSWERS: 1 and 2 are both correct which ones are correct? 1. every living organism needs some non-biological substances for its existence 2. all non-biological substances are found as minerals in the earth CORRECT ANSWERS: 1 is correct 2 is incorrect characteristics of life include.. CORRECT ANSWERS: growth and metabolism examples of synthetic substances are... CORRECT ANSWERS: plastics and silicones examples of organic biological substances are CORRECT ANSWERS: carbohydrates and fats examples of mineral substances are CORRECT ANSWERS: paraffins and petroleum matter is everything that... CORRECT ANSWERS: occupies space and has weight the three forms of matter are solids, liquids, and... CORRECT ANSWERS: gases what property does all matter have? CORRECT ANSWERS: all matter has weight condensation is the change of matter from... CORRECT ANSWERS: gas to liquid vaporization is the change of matter from.. CORRECT ANSWERS: liquid to gas melting is the change of matter from CORRECT ANSWERS: a solid to a liquid sublimation is the change of matter from CORRECT ANSWERS: a solid to a gas the alteration of the prorates of matter without the formation of any new substance is called. CORRECT ANSWERS: a physical change the immediate change of a solid into a vapor is called CORRECT ANSWERS: sublimation an example of a single-celled cellular organism is CORRECT ANSWERS: a bacterium which ones are correct? 1. a micro-organism is the smallest part of the human body 2. all micro-organisms need nutrients for their existence