Could an object, tool, or structure be made without the use of a natural resource? Explain your answer.

1.the evidene of the reaction

2.yes

3.yes

plant because they survive by water, sunlight, ex.

explanation:

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: