Answer:
They created harmful inks that were considered toxic.
It also contributed to environmental pollution
Explanation:
I think they invented inks that weren't harmful and they removed these waste that were harmful to the environment. 
Hope this helps:)
 
        
             
        
        
        
last one is the answer probably
 
        
             
        
        
        
<h3>Answer #1</h3><h2>(A) Literal</h2>
The literal meaning of a term is its primary, fundamental meaning; The literal definition of "television" is "viewing from a distance". You will need to give more than just a literal comprehension of the text. A literal interpretation of a text is done by interpreting each word separately, without examining how the words are used together in a phrase or sentence.
<h3>Answer#2</h3><h2>(A) When was Marcus called to the office?</h2>
Literal questions demand concrete, honest answers. Answers to literal questions are regular facts, and there is always one correct answer. In reading comprehension activities, answers to literal questions can always be located in the text. Answers to literal questions might scatter light on the who, what, where and when. 
<h3>Answer#3</h3><h2>(B) Interpretive</h2>
At its essence, communication includes making statements and asking questions. While there are various kinds of questions that we can ask, an interpretive question is the sort of question that produces conversation. Interpretive questions attempt to receive answers that explore different interpretations of the vary topic. 
<h3>Answer#4</h3>
He banged his hand down on the desk and then aimed his finger at me. "The *difficulty*, Mr Yallow, is that you've been involved in a criminal plot to upset (ruin, break) this school's safety system, and you have provided security countermeasures to your fellow students. You know that we suspended Graciella Uriarte last week for practicing one of your devices." Uriarte had gotten a bad rap. She'd bought a radio-jammer from a head-shop near the 16th Street BART station and it had set off the countermeasures in the school hallway. Not my doing, but I felt for her.
 
        
        
        
Answer:
a. Law of Nations
Explanation:
<u>The law of the nations</u> (on Latin: <em>ius gentium</em> or <em>jus gentium</em>) was the international law and legal code of ancient Rome.<u><em> </em></u><u>It was designed specifically to dictate the legal rules for foreigners in case they were in conflict with Rome, or that their own rules were unknown.</u>
The law was the same for all the nations and it <u>was adopted by all European civilizations at the time.</u>
The idea behind the law of nations was quality for all and following the natural reason. It is the ground basis for modern international law.
 
        
                    
             
        
        
        
Answer:
Maybe bear-baiting but a human in place of the bear.
Explanation:
Google says that bear-baiting is "is a blood sport involving the worrying or tormenting (baiting) of bears. It may involve pitting a bear against another animal." 
I hope you can formulate an idea around this. Good luck with your homework