For most females the first menstrual period happens between ages 9 years and 13 years and continues until 45 years of age to 60 years of age. Calculate the range of their possible reproductive years.​

Using the periodic table, determine which material is most likely a good conductor

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.