B. Green shirts have a great day
Sonar uses sound to detect objects underwater. As well as using sonar, Ballard searched for the Titanic's trail of debris.
Explanation:
I’m sorry i don’t speak your language
The blue area
<span>What happened during the Industrial Revolution?The introduction of new technology in manufacture (initially thetextile industries) hugely raised productivity per worker andgenerated ever-increasing returns for investment in ongoing capitalinvestment. Advances in transport facilitated distribution of bothmanufactured goods and foodstuffs for growing urban populations.Living standards improved as average per capita income tripled inthe more developed regions in the century to 1914 and improvednutrition, health and medicine doubled world population. Gains inliteracy and education combined with technological innovation tocreate the first mass media.</span>
