2. About how old are the black rocks at the bottom of the canyon? / ¿Acerca de la edad de las rocas negras del fondodel cañón? *

The density of a planet is 0.69 g/cm3 (density of water is 1.0 g/cm3). which of the following planets might this be? a. mercury b. venus c. saturn d. mars

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal