The correct answer is b. al, mg, li
That's because Cobalt is not a representative element since it's not found in the first 2 or the last 6 groups.
<span>The correct answer is C. A chain of cause and effect contains an initial incident and a resulting consequence that occurs because of the initial incident. Here, the initial incident is the technology that allows cell phones to be used for texting. The result is that this texting often replaces email.</span>
Answer:
3.visited 4.helps 5.won 6.come 7.wrote 8.send 9.comes 10.found 11.listen 12.didn't help 13.doesn't want 14.didn't take part 15.doesn't often use 16.didn't play 17.don't want 18.don't often read 19.didn't go 20.doesn't like 21.didn't do 22.Do you go ... 23.Did he write ... 24.Did they win ... 25.Do they often do ... 26.Did she win ... 27.Does he use ... 28.Do you swim ... 29.Did they swim ... 30.Do you always play ... 31.Did you play ... 32.Does he go ...