Si una grúa eleva un contenedor con 20 toneladas de aluminio hasta una altura de 15 m del suelo en un minuto ¿que trabajó realiza el motor?

Are the earth's ocean floor and continents the same age geologically? why or why not?

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.