PREGUNTA DE OPCIÓN MÚLTIPLE ¿Qué afirmación es correcta?
Abajo está hacia la Tierra y arriba está lejos de
la Tierra.
Abajo es una fuerza de tracción y hacia arriba es
una fuerza de empuje.
Abajo está hacia el polo sur y hacia arriba está
hacia el polo norte.

The model illustrates a process by which a substance is taken up by a cell

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home. what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Which one is an advantage of external fertilization a. the offspring are genetically identical to the parents b. more eggs can be fertilzed at one time c. more sperm can be released at one time d. more protection is available for developing plz