The answer is A: Samuel Morse's telegraph...<em>was successful.</em>
A predicate adjective <em>modifies</em> the subject of the sentence and comes after the noun they are modifying. The predicate adjective in a sentence is connected to the subject by a <em>linking verb</em>. In the example of the sentence A, <em>sucessful</em> is the predicate adjective, <em>was</em> is the linking verb and <em>all that came before the verb is the </em>subject<em>.</em>
Per capita food supply has increased as populations have grown, largely due to increasing yields. ... Population growth is high where hunger is high, but that does not mean that population growth makes hunger inevitable. On the contrary, we see that hunger has fallen fastest in countries with high population growth
Explanation: It was Mr. Frink's plan to remain here until enough of the coarse grass had been cut and cured into hay to feed our horses across the desert
Back then, student's would enjoy going outside, going to the movies or taking a walk outside. Now its all about video games. Teenagers are addicted. They stay in their beds all day playing them and dont go outside. They are addidected to screens.