It is A sonar they use sound frequencies to bounce sound off say the ocean floor and when the sound wave returns it gives an image of whatever it bounced off of
It’s c.nickel because it’s a transition metal
Answer:
While carbon dioxide is in the air waiting to be reabsorbed it traps the sun's heat.
Answer:
Explanation:
Hacer proyectos de ciencia ayuda a desarrollar el ingenio de un niño
