Answer:
This is an controlled experiment because he is only changing the amount of carbon dioxide in the air. Since he is only changing one variable at a time and comparing it to a natural, unaltered tomatoe area, his experiment is controlled.
Explanation:
The definition of a controlled experiment is a test where the person conducting the test only changes one variable at a time in order to isolate the results. An experiment where all subjects involved in the experiment are treated exactly the same except for one deviation is an example of a control experiment.
Answer:
ribose and/OR deoxyribose
Explanation:
im not sure though, it might be wrong.
Cryo-electron microscopy (cryo-EM), or electron cryomicroscopy, is a form of transmission electron microscopy (TEM) where the sample is studied at cryogenic temperatures (generally liquid-nitrogen temperatures). Cryo<span>-EM is gaining popularity in structural biology.
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48 because the formula for work is w=f•d so when you plug f and d in its 12 times 4, giving you 48.
Overall, minerals from animal products are better absorbed than those from plant because binders such as fiber are not present to hinder absorption.
