Which of the following is not a living thing? a. carbon dioxide b. an amoeba c. a daisy d. a jellyfish

Carbon dioxide.

Explanation:

The living things can be defined as the organism that can respire, reproduce. move and have food et cetera.

The organism like daisy, amoeba and jelly fish perform the functions like respiration, reproduction, and other processes which is required for life.

The carbon dioxide is a non living molecule as it does not performs any of the stated processes.

Hence, the correct answer is option  A

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answer: zinc is the substance which has a volume of 1.38 .

density is defined as the mass of an object per unit volume.

it can be calculated by dividing mass of a substance by its volume i.e.

si unit of density is kg per cubic meter and cgs unit of the same is gram per cubic centimeter.

now from the given data volume can be calculated by the formula .

hence, the volume of aluminium will be = which comes out to be 1.703 .

similarly, volume of zinc, chromium, and nickel will be 1.378 , 0.869 , and 0.356 respectively.