According to the excerpt, the option that identifies an implicit meaning one could draw from it would be the second one: "Locke is unfamiliar with the term <em>idea</em>".
In the excerpt, Locke is not asking what Idea is nor is he being uncertain about the relationship between speculative and practical ideas. He seems to never heard it before and the exact meaning fades away.
That's why he asks what it represents and not its definition or for someone to repeat the explanation. He just needs an example to clarify the boundaries of the <em>idea's</em> meaning.
Present Participle
Ø I am feeling a little disoriented.
Ø Two grown men are riding on horse.
Ø She is always joking like a clown or a joker this one.
Ø I am begging you; please give me some of your food!
Ø She is sleeping peacefully now that she took her medication.
A present participle tense is formed by adding a suffix -ing to the verb
Past participle
Ø She smoked cigarettes she found in her mother's purse.
Ø We have stolen mom's makeup kit from her bedroom.
Ø I have talked with my sister on the phone sometime in the past.
Ø He hit my dog with his ugly ball.
Ø You could have frozen to dead because of your stubbornness.
The past participle is a verb formed either by adding a suffix -ed to another verb such as had, was have etc.
Answer:
Positive affect is it keeps them entertained
Negative affect they end up spending to much time on a screen
I would go with the first one makes,more,sence
The Americans stopped attacking the British outside of Philadelphia after they retreated for the first time because of the weather.
It was winter, and whereas the British were warm and cozy, whereas those Americans who still wanted to fight were frozen and deprived of food and resources. Thus they decided to wait until the weather cleared and then attack their enemies.