Х 1. La Antártida es una tierra
helada, tan fría y helada que
no pueden crecer árboles allí.
Sin embargo, los
científicos
han descubierto fósiles (restos
conservados en la roca) de
árboles antiguos en la
Antártida.
¿Qué crees que esto significa?

Astudent conducts an experiment to see how music affects plant growth. the student obtains four identical plants. each one is potted in the same type of soil and receives the same amount of sunlight and water each day. plant a listens to classical music for three hours each day. plant b listens to rock music for three hours each day. plant c listens to country music for three hours each day. plant d does not listen to any music at all. 2. based on the experiment in the scenario, which visual aid would be most in showing the change in the plants' heights over time? a. a pie chart b. a line graph c. a timeline d. a bar graph

How can minerals crystallize from materials dissolved in water? check all that apply.

Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. wavelength c. brightness d. intensity