Afamily has two children. m represents male, and f represents female. what is the sample space for the gender of the children?
a) {f, m}
b) {fm, ff, mm, mf}
c) {ff, mm}
d) {mf, fm}

There are four (4) possible outcomes; {FM, FF, MM, MF}

Explanation: Sample space can be defined as the set of all possible outcomes or results of an experiment or random trial. The size of the outcomes constitutes the number of elements present in the space and this is called Sample size.

Since the question involves two children, there are four possible outcomes for the gender. The two children of the family could be in the following formations;

1. Female - Male

2. Female - Female

3. Male - Male

4. Male - Female

Hence, the sample space will be {FM, FF, MM, MF}

4.) metal

"-the movement of carbon from the nonliving environment into living things and back to the environment

-carbon is the essential component of proteins, fats, and carbohydrates (which make up all organisms)

-carbon exists in air, water, and living organisms

-producers convert carbon dioxide in the atmosphere into carbohydrates during photosynthesis

-bacteria in the atmosphere cycles through the system in filtration units

-in cellular respiration, carbon is released back into the atmosphere as carbon dioxide

-some carbon is stored in limestone (forming one of the largest "carbon sinks" on earth)

-largest carbon reservoir on earth= limestone

-carbon stored in the bodies of organisms as fat, oils, or other molecules may be released into the soil or air when the organism dies

-this may form deposits of coal, oil, or natural gas (fossil fuels, which increased the atmospheric carbon dioxide)

-fossil fuels store carbon left over from bodies of organisms that died millions of years ago

-they are located in the surface of earth, deep within the earth and beneath the ocean floor."    

b brown mice / white sand dunes