Answer:
False.
Explanation:
The study that Dr. Keyes wants to do is a study that uses two variables (pets and happiness). Dr. Keyes wishes to prove the cause and effect relationship between these two variables that prove that the greater the amount of pets (causes) people have, the greater the happiness of these people (effect). For this reason, we can say that Dr. Keyes is not doing a correlational study.
This is because, although the correlational study wishes to observe the relationship between two variables, this study cannot be applied to cause and effect relationships.
Answer: C. Ammonification occurs when Bacteria break down plants
Explanation:
The Nitrogen cycle is a biogeochemical cycle by which Nitrogen moves around the various ecosystems present on Earth in different chemical forms. Various processes enable this and one of those is Ammonification.
Ammonification is a process in which microorganisms like bacteria and fungi breakdown plant and animal biomass upon death and convert nitrogen in these organic specimen into inorganic ammonia or ammonium which is then converted to Nitrates by the Nitrification process.
Answer:
Europeans were already familiar with the voyage to Africa. They originally tried to use Native Americans as slaves but discontinued because they were dying of over-work and diseases. Native Americans were replaced with Africans because they were immune and already exposed to European diseases.
Explanation:
Depending on the research you find, it could vary. Explain to them that while watching TV is not an "evil" thing, it can have some affects in the youth. Tell them how it can affect the behavior with friends, family and other people whom are around them. In addition you could even as far as mentioning academic success and failure.
