- Utilizando la regla, tome las mediciones de una hoja de cuaderno.

Calcule el área y exprese su medición

en metros cuadrados (m2
) y
centímetro cuadrados (cm2
)

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

float.

archimedes' principle

denser than water sinks in water.

denser than mercury would sink in it