true
False. You can have total internal reflection where the effective angle is greater than 90 deg
It is not zero so the question is based on a false assumption.
false
A false sense of security can arise from overconfidence in one's abilities or circumstances, leading individuals to underestimate risks. For example, relying on outdated information or technology can create a misleading perception of safety. Additionally, social reinforcement, where people collectively dismiss potential threats, can further perpetuate this illusion. Ultimately, a lack of critical thinking and vigilance can contribute to this false sense of security.
true. and all things being equil(excuse me) the internal angles are all going to be 60degrees as we know that the internal angles of all triangles must add up to 180. see euclid. cheers.
false
False
True
True. Transportation systems, such as airports, trains, and subways, are often targeted for terrorist attacks due to their high visibility, the potential for mass casualties, and the disruption they can cause to society. These vulnerabilities make them appealing to terrorists seeking to maximize their impact and spread fear. As a result, security measures in transportation systems are typically heightened to mitigate such threats.
false
False
false
False
True. Hunger is internal, a voice is external.
No, just the opposite.
false
false