Answer:
B. A precipitin test is the correct answer
Explanation:
To determine whether a bloodstain is of human or animal origin, the serologist will perform: A precipitin test.
The precipitin test is based on the interaction between antigen and antibody which results in the formation of antigen-antibody complexes and this visible precipitate antigen-antibody complexes is called precipitin.
Precipitin test is a serological test where antibody reacts with soluble antigen to produce a precipitate.
The precipitin test is used to distinguished whether the blood sample is from human or different sources.
Answer: Macho hazardous attitude
Explanation:
Macho hazardous attitude is the one in which the pilot has the “I can do it!” attitude.
A pilot with this hazardous attitude strives to look great and be noticed by others as a great pilot as a result they end up taking actions which may yield dangerous outcomes. Every gender is prone to this attitude which lead to silly actions in an attempt to impress others. Confident is great but too much of it may lead to this hazardous attitude.
If someone says I wish I could fly with a real pilot it is likely that you may want to prove to them that you are a real pilot by changing your mind and flying the plane in those extreme conditions eventhough you know that they pose a great threat according to your assessment of the safety risks; you might do it just to impress the customer and prove that you are a real pilot. That is a a result of a macho hazardous attitude.
Answer:Uncle Burt is a laggard in the diffusion of innovation process for telephones.
Explanation:
Laggard refers to a person who is slow to adjust to progress and usual get left behind as people adjust to new and current innovations.
Diffusion innovation refers to how ideas or products receive great momentum and spread out throughout a particular population. People begin to adopt these new ideas or products and move away from using the old ones.
For example the use of smart phones has spread out throughout reaching most population and the older version of phones are littles by little disappearing as people adopt this new innovation.
Uncle was still renting a rotary-dial telephone which is an oldest version of telecommunications , he has adopted the new phones that are currently used by most people so Uncle Burt is left behind in using the old product and this makes him a laggard.
Answer:
D. anti-Assad, anti-ISIS
Explanation:
Throughout the Syrian Civil War, which started in 2011 and is still ongoing, the United States has always been in opposition to the regime of Bashar Al Assad.
The reason is that Assad's regime is pro-Russia, and Russia is one of the most important geopolitical adversaries of the United States (the other being China).
The United States also became anti-ISIS when this terrorist group emerged. The United States was crucial in the eventual almost total defeat of ISIS. Currently, ISIS only holds a small patch of land in central Syria.
