Which of the following sentences demonstrates clear, parallel structure? a) our trip to the beach was fantastic and we did many enjoyable things including: playing in the sand, we ate at some delicious restaurants, and were able to see the sun set from a boat off shore. b) our trip to the beach was fantastic and we did many enjoyable things including: playing in the sand, eating at delicious restaurants, and watching the sunset from a cruise ship. c) our trip to the beach was fantastic and we did many enjoyable things including: playtime in the sand, we ate at some delicious restaurants, and we saw pretty sunsets. d) our trip to the beach was fantastic and we did many enjoyable things including: playing in the sand, eating at delicious restaurants, and we had a really nice time riding out into the sunset on a cruise ship.

Plz change it i can not change this sentences .

Dogs make wonderful pets because they us stay happy and healthy. the topic sentence is "dogs make wonderful pets." , is this correct? i keep doubting myself.

Read this passage: many manufacturers prefer plastic as a material for containers because it can be molded into many shapes. but plastic is not very strong. it must be fused with glass or steel for strength. it is also not very durable. even the strongest plastic can break under enough pressure. the biggest disadvantage to using plastic is that it does not decompose. while plastic can be recycled, doing so is tedious and difficult. while it may be more expensive and difficult to work with, aluminum is a much stronger building material with far greater tensile strength. it conducts electricity because it is metal. best of all, aluminum is very easy to recycle. even if it is thrown away, it decomposes much more quickly than most manufacturing materials. how does the compare-and-contrast organizational pattern of the passage support the author's purpose? a. the passage gradually leads up to the point about decomposition to inform the reader about the importance of recycling plastics. b. the passage lists the advantages and disadvantages of each material to make a case for the use of plastic and not aluminum in containers. c. the passage begins with a description of plastic's problems in order to call attention to the good qualities of aluminum. d. the passage shows the superiority of aluminum in order to make a case for the production of stronger plastics.