Answer:
Multiple, depending on explanation
Explanation:
Spinning jenny
Newcomen steam engine
Watt steam engine
The locomotive
Telegraph communications
Dynamite
The photograph
The typewriter
I would put photograph and typewriter and telegraph communications under one category, and do the same for the steam engines
Answer
The result of "protecting national parks and forests" from "forest fires" is a healthier Ecosystem.
Forest fire is one of the big issues which leads to destroying the forest ecosystem.
Due to the forest, many wildlife and unique plants are affected, etc.
Amount of carbon dioxide in the environment increases which leads to climate change.
The vegetation of the region gets destroyed and the land becomes hydrophobic.
The natural water body also get affected by the forest fires.
hence, the correct answer will be option E
That changes in the independent variable caused changes in the dependent variable
Answer:e) No. Visual aids should be displayed only while they are being discussed.
Explanation: visual aids should be displayed when it is time to discuss about them otherwise they may tend to be distructive to the audience who may lose focus on your speech and start focusing on the visual aid. They may even try to analyse it in their mind which means you have completely lost their focus on your speech cause now they are trying to figure out this visual aid.
The correct answer is: C) encourages the increased role of government to achieve full employment and economic growth. For a Keynesian, consumer demand is the most important force in an economy. Correspondingly, keynesian economics backs <em>expansionary fiscal policy</em>, which consist of government spending on infrastructure, education and unemployment benefits.