The California miners found silver in the blue sand and sticky soil which caused problems because they were primarily looking for gold and there was a lot of silver in the way.
Answer:
English:
Comprehensive sexuality education is the topic of sex. These topics are important in school because it helps you understand more about how you were born.
Spanish:
La educación integral en sexualidad es el tema del sexo. Estos temas son importantes en la escuela porque te ayudan a comprender mejor cómo naciste.
Answer:
These researchers are suffering from observer bias.
Explanation:
Observer bias is also known as <em>research bias</em> and it is the tendency an individual has to <em>see what he/she wants or expects to see</em>. The researcher allows his/her expectations about what will happen to <em>affect the study's results</em> because one's subjectivity comes into play, not really being objective.
Answer:
Many people do not realize that helium is a non-renewable resource. It is made on earth via nuclear decay of uranium, and it is recovered from mines. Once it is released into the atmosphere it becomes uneconomical to recapture it, and eventually atmospheric helium will escape earth altogether because it is so light.
Explanation:
