Indicate where each of the following pieces of information would be found:

top center of each element's box on the periodic table:

bottom center of each element's box on the periodic table:

superscript on the left side of an atomic number:

superscript on the right side of the atomic number:

the choices for each question are:
• atomic mass
• atomic number
• mass number
• charge

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because