I'm pretty sure it's B (Chloroplast) Because it captures energy from the sun and converts into chemical energy. (Could also be the Ribosome because that <span />produces proteins for the cell) Hope it helped!<span><span>
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My best answer would be B I know tornados have updrafts as well as hurricanes. A storm has updrafts that cause tornados.
A dogs tendency to bark because a dog has to communicate which for them is barking, to get the attention needed.
The idea needs to be tested for it to be scientifically reliable. First, a hypothesis has to be drawn up. A simple explanation for the word "hypothesis" is an educated guess. The scientist makes an educated guess in answer to a problem. He then sets about proving or disproving the hypothesis. This is done by setting up related scientific experiments. <span>For the theory to be scientifically proved, the experiments need to be set up in such a way that the results are measurable. </span>
Antibiotics are ineffective in treating viral infections because Antibiotics kill only living cell. Antibiotics treat bacterial infections but not viral infections. Foe example, an antibiotic is an appropriate treatment for step throat, which is caused by the bacterium Streptococcus pyogenes. However, it is not the right treatment for most sore throats, which are caused by viruses.