What types of nouns should be used in effective process writing?

Read the passage. (1) the first skateboard was constructed of old roller-skate wheels attached to a piece of wood. (2) improvements were made to the skateboard in 1959. (3) the year that the first commercially made skateboard appeared. (4) soon after, skateboarding began to grow in popularity. (5) in 1963, skateboard manufacturers formed the first professional skateboarding team. (6) that same year, the first organized skateboard competition took place, in california. which is the most effective way to correct the fragment in sentence 3? attach the fragment to sentence 4. attach the fragment to sentence 2. insert the phrase in the united states to the end of the fragment. insert the verb had before the verb appeared.

3. how could the following sentence be rewritten as an exclamatory sentence? how dangerous was the saber-toothed tiger? a. tell someone how dangerous the saber-toothed tiger was. b. the saber-toothed tiger was dangerous. c. the saber-toothed tiger was dangerous! d. no change is necessary. c. the saber-toothed tiger was dangerous!

Part b: which phrase from the text best support the answers to part a? a. “i don't want to talk to somebody when i go check in at an airport. i just either download the boarding pass to my phone or walk up to a kiosk and get it.” (paragraph 8) b. “you do not have to go far to find someone who disagrees with andrew mcafee, just around the corner to the office of another person at the same university.” (paragraph 11) c. “the set of things that machines do not do like humans is innumerable.” (paragraph 16) d. “you wonder if you're joining that long litany of voices who go down as having made the incorrect prediction one more time, but i think the facts are different this time.” (paragraph 23)