1. En relación al experimento de Hammerling, señale qué especie utilizó (1 p), cuál fue el procedimiento (2 p) y cuáles fueron sus resultados y conclusiones (2 p).

What happens when the cell copies its chromosomes

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

What class of levers is shown in this image?