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The Dominican Republic is geographically diverse for its size, having extensive beaches of white sand, evergreen forests in the highlands, fertile valleys with exuberant vegetation, and even desert zones with dune formations. Its mineral resources include nickel, bauxite, gold and silver.
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Graphs show a pattern in something that we are following. So by using those patterns on the graphs, we can see how the process that we are following is changing and we can conclude that without anything drastic happening the process will continue with the same pattern.
An example would be a pattern in weight loss. If a graph shows that a person is losing weight 1 pound per week we can conclude that the next week the person will have 1 pound less. This will only change if the person starts eating more which would be a drastic change to the pattern.
<span>A strong study establishes validity because it is important that the researcher measures what he or she intends to measure.
Validity in a study means that it is logical, sound, and reasonable - that the researcher has done his or her job properly, measured everything correctly, and has come to certain conclusions which could be proven and checked if necessary.
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Nadie sabe realmente cuántos animales hay en el mundo, pero los científicos creen que hay alrededor de 8.7 millones de especies en el mundo, y alrededor de 1 a 2 millones de ellos son animales.
