Answer:
<em>The magnetic field is generated by electric currents due to the motion of convection currents of a mixture of molten iron and nickel in the Earth's outer core: these convection currents are caused by heat escaping from the core, a natural process called a geodynamo.</em>
Answer:
Tsunami
Explanation:
Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. Out in the depths of the ocean, tsunami waves do not dramatically increase in height. But as the waves travel inland, they build up to higher and higher heights as the depth of the ocean decreases.
<span><span>1. </span>Knowledge of the researcher. It’s important to consider the researcher’s capacity and capability in the field which he/she wants to discover. In sense, it is in his proximity of study in order for him/her to do such approach </span><span><span>
2. </span>Tool used. Making sure whatever measurement the investigator is using should be valid and reliable. Avoiding the possible results to become biased and unstable due to errors which should be avoided.</span> <span><span>
3. </span>Sampling method. Obtain the samples which are appropriate and that would cover the entire participants studied –not a half but the entirety of what you want to study. Entirety means as much as the possible sample covers.</span>
<span><span>4. </span>Population. Knowing the involved participants and respondents in the study, properly defining and clustering helps the study avoid bias. </span><span>
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ANSWER:
B- increase the number of caterpillars
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