2 points 2. Prior to the 1970's, breathing systems for firefighters were very heavy
and restricted mobility. Through advances in science, lightweight
breathing systems helped firefighters reduce their heavy loads, while also
improving safety. The new systems were adapted from equipment
originally designed for

The waves crash on the shore ? alliteration ,assonance, onomatopoeia

Ineed . read the passage, and choose the two (2) inferences that are most firmly based on the given information. although lie detector tests are based on a sound principle, they are not alwaysaccurate. the test is based on the fact that people become emotionally “stirred up”when they lie. the lie detector can sense physical changes that accompany suchemotional responses. but an innocent person may react emotionally to a keyquestion. thus, he or she appears to be lying when actually telling the truth. and criminals who lie often may feel no guilt about anything. they can therefore tell huge lies without showing the slightest emotional ripple on the lie detector. without an emotional response, there are no physical responses to detect. 1. criminals never feel any guilt about their crimes. 2. lie detector tests are not foolproof. 3. anyone can easily fool the lie-detector machine. 4. an emotional response by an innocent person

Which statement correctly analyzes this passage in terms of its historical context? marrige is a private affair