Choose the paragraph that this topic sentence would best fit. Owning a pet is a responsibility every family should take
on.

D

Explanation:

The  paragraph that fits the topic sentence would have to describe why families should own a pet as their responsibility. The last paragraph, D, explains this best. It claims that if every family adopted a pet, homeless animals and shelter animals will have someone to take care of them. It calls this a responsibility of the people, like the idea introduced in the topic sentence. So, the answer is D.

Good luck ^^

what was the conclusion

explanation:

since conclusion is the over all summarize.

the president was the speaker and it was a great part of history.

explanation:

video of the national aeronautic space administration's (nasa) coverage of president john f. kennedy’s address at rice university, houston, texas, concerning the nation's efforts in space exploration. in his speech the president discusses the necessity for the united states to become an international leader in space exploration and famously states, "we choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard."