Select the best way to increase the solubility of carbon dioxide gas. es )
A)
Place it into a container with a water solvent at a low temperature.
B)
Place it into a container with a seater solvent at room temperature.
0
Place it into a container with a bromine solvent at a low temperature,
D)
Place it into a container with a bromine solvent at room temperature.
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Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles