What is mechanical advantage of machine? Mechanical advantage is a measure of the force amplification achieved by using a tool, mechanical device or machine system. The device trades off input forces against movement to obtain a desired amplification in the output force. The model for this is the law of the lever. What is mechanical […]
How was the buffalo so important to the native Texans?
What are the 2 main divisions of the nervous system?
What are the 2 main divisions of the nervous system? The nervous system as a whole is divided into two subdivisions: the central nervous system (CNS) and the peripheral nervous system (PNS). What are the 2 parts of the central nervous system CNS )? The nervous system has two main parts: The central nervous system […]
What are bad reasons to become a parent?
What are bad reasons to become a parent? Here are some of the really bad reasons I have gleaned from many conversations with mothers and daughters, fathers and sons: To have someone who loves you. Because someone expects you to. To fit in. To give your life purpose. To establish your legacy. What are good […]
What differentiates virulent strains of Streptococcus?
What differentiates virulent strains of Streptococcus? Search for: Why is the production of a vaccine for the common cold so difficult? Why is it so difficult to prevent Pneumocystis? Search for: Why is the presence of a capsule considered a virulence factor? What is the difference between capsule and slime layer? Many bacterial cells secrete […]
Is all life on Earth related?
Is all life on Earth related? All living beings are in fact descendants of a unique ancestor commonly referred to as the last universal common ancestor (LUCA) of all life on Earth, according to modern evolutionary biology. The more recent the ancestral population two species have in common, the more closely are they related. When […]
How is federal government better than unitary?
How is federal government better than unitary? Federal government is better than unitary government because : The power is not concentrated in only in the centre but it is distributed at the state or lower levels as well. This helps to avoid conflicts. What are the benefits of a federal government? 10 Advantages of A […]
How is terrorism a threat to security?
How is terrorism a threat to security? Yet the impact of terrorism extends far beyond the statistical threat to life. The terrorist threat is a malevolent and seemingly random threat, and so it threatens citizens’ psychological sense of security to a far greater degree than other threats. Is terrorism a threat to international security? Increasingly, […]
Which of the following is not a level of biodiversity?
Which of the following is not a level of biodiversity? Answer: population is not a level. Explanation: the levels are genetic,species and ecosystem. What increases the biodiversity of a habitat? As a general rule, increasing biodiversity can be achieved by diversifying the range of habitats or vegetation structures available at a site. This can be […]
What is biometric scanning?
What is biometric scanning? Biometrics scanners are hardware used to capture the biometric for verification of identity. These scans match against the saved database to approve or deny access to the system. In other words, biometric security means your body becomes the “key” to unlock your access. Which of the following can be considered for […]