un jugador durante su entrenamiento en el campo se desplaza 10 metros hacia el este y 15 metros hacia el norte, todo en 40 segundos ¿cuál es su velocidad media en unidades de kilómetros/hora?​

Describe the interaction that occurs between two objects with the same electrical charge.

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils. the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.